Question

if a:b =3:5,b:c=2:5 then a:b:c is​

Answer 1

Answer:

a:b:c=6:10:25 by the method of finding third proportion

Answer 2

answer:

a:b:c=6:10:25

steps

a:b=3:5

a:b=3*2:5*2

a:b=6:10

similarly

b:c=2*5:5*5. (to make common b in both the ratio)

b:c=10:25

therefore

a:b:c=6:10:25