Question

if A:B=4:9 and A:C =2:3, find:
1) B:C
2) A:B:C

Answer 1

A : B = 4 : 9               A : C = 2 :3   = 4 : 6

the value of A is same in both ratios

SO   A : B : C = 4 : 9 :  6