60:40=()/() 0.5:0.4=()/() If the product of two inner terms of a proportion is the smallest prime, one outer term is 3, and the other outer term should be () Judgment: Because 3x = 7Y, so x: y = 7:3 ()

60:40=()/() 0.5:0.4=()/() If the product of two inner terms of a proportion is the smallest prime, one outer term is 3, and the other outer term should be () Judgment: Because 3x = 7Y, so x: y = 7:3 ()

60:40=(3)/(2) 0.5:0.4=(5)/(4)
If the product of two inner terms of a proportion is the smallest prime, one outer term is 3, and the other outer term should be (2 / 3)
Judgment:
Because 3x = 7Y, X: y = 7:3