The Real Madrid star bagged two against Hungary last week to register his 69th and 70th goals for the European Championship holders, before following up with another in Portugal's friendly with Sweden on Tuesday.
The Madeira man was able to drift into the six-yard box to meet Gelson Martins' clever cross, before neatly guiding the ball past a helpless Karl Johnsson.
Ronaldo also goes joint-third in the European list, with only Sandor Kocsis (75) and Ferenc Puskas (84) having scored more.
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Thirty-six of Ronaldo's strikes for his country have come at home, while 25 have been away and ten at final tournaments.
From the 71 strikes, Ronaldo has hit three hat-tricks, plus one four-goal haul. There have been 12 doubles, with the remaining 33 goals coming as single goals.