3 is to 9 as 16 is to what?
Find 9 and 3's GCF, 3. Multiply 16 by 3 = 48.
So your anser is, 3 is to 9 as 16 is to 48.
3:9 =16:x
x =9/3 x 16
x=3 x 16
x = 48