Question

if a:b=5:6 and b:c=18:23, find a:b:c​

Answer 1

Given that,

a:b = 5:6...(I)

b:c=18:23...(II)

We need to calculate the value of a:b:c

Using formula for a:b:c

a:b:c=(a × b):(b × b):(b × c)

Put the value into the formula

a:b:c=(5 × 18):(6 × 18):(6 × 23)

a:b:c=90:108:138

a:b:c=15:18:23

Hence, The value of a:b:c is 15:18:23

Answer 2

Given that,

a:b = 5:6...(I)

b:c=18:23...(II)

We need to calculate the value of a:b:c

Using formula for a:b:c

a:b:c = (a*b) : (b*b) : (c*b)

Put the value into the formula

a : b : c = (5*18) : ( 6*18) : (6*23)

a : b : c = 90 : 108 : 308

a : b : c = 15 : 18 : 23

Hope it helps you

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