Question

A:B=3:4,B:C=6:9 then find A:B:C​

Answer 1

A :B = 3: 4 or we cansay that A:B 9 :12 ( multiplying both sides by 3 ) now

B:C = 6:9 or B:C= 12:18( multiplying bs by 2 ) now as b is equal on both sides so we can compare A:B:C = 9 : 12 : 18

i think you got the answer plz mark it as brainliest

Answer 2

$a: b = 3: 4 \\ \\ b : c = 6: 9 \\ \\b : c = 6 \times 4: 9 \times 4 \\ \\ b : c = 4: 9 \times \frac{4}{6} \\ \\ b : c = 4: 6 \\ \\ a: b = 3: 4 \\ \\ b : c = 4: 6 \\ \\ = > a:b:c = 3:4:6$

hope it helps