Ronaldo had already headed against the crossbar before firing Portugal ahead after Danilo went tumbling under a challenge from two defenders and the referee pointed to the spot without asking for a video replay.
Portugal topped Group A with seven points from three games, ahead of Mexico on goal difference after the CONCACAF champions beat hosts Russian Federation 2-1.
"We felt we let ourselves down in a couple of situations in a couple of halves where we didn't play to our potential but it's a learning curve for us".
One player with a capability to help him continue achieving that in England is Fernando, since the Brazilian brilliantly screen's Manchester City's defence and sets off attacks. "We've had an excellent tournament and we want to continue our work".
Low turnout but big majority ahead for Macron
Francois Baroin, who led the campaign of the conservative Republicans, projected to win 80-100 seats, echoed the sentiment. Ms Le Pen's party took a disappointing 13.2 per cent, well below her 21.3 per cent of the presidential first round vote.
Santos fielded an attacking line-up packed with experience and resisted the temptation to rest Ronaldo with Portugal still requiring a point to qualify and vying with Mexico and Russian Federation for top spot.
Santos also confirmed that full-back Raphael Guerreiro has not recovered from the ankle blow he sustained in the opening draw with Mexico, meaning he will also sit out the match.
Portugal saw off New Zealand 4-0 to win Group A and progress to the FIFA Confederations Cup Russia 2017 semi-finals, in front of 56,290 fans in Saint Petersburg.
Silva finally provided Portugal with further breathing space 10 minutes from time as the AC Milan-bound striker ran at the Kiwi defence before drilling into the roof of the net.
Dugout has partnered with the Football Federation of Portugal as the online publishing platform expands its portfolio of contributors to global teams ahead of next year's Fifa World Cup. - Three of Chile's four goals at these finals have come after half-time.