Răspuns :
15/x=10/y=36/18
15/x=36/18⇒ 15/x=2⇒ x =15/2
10/y=36/18⇒10/y=2⇒y=10/2=5
x=15/2 si y=5
direct proportionalitate⇒15/x=10/y=36/18=2=factor de proportionalitate ⇒
15/x=2, x=15/2, 10/y=2, y=5
15/x=10/y=36/18
15/x=36/18⇒ 15/x=2⇒ x =15/2
10/y=36/18⇒10/y=2⇒y=10/2=5
x=15/2 si y=5
direct proportionalitate⇒15/x=10/y=36/18=2=factor de proportionalitate ⇒
15/x=2, x=15/2, 10/y=2, y=5