Question

Is 17:27 and 51:81 in proportion?

Answer 1

17×51=27×81
867=2187
no they are not in proportion

Answer 2

$\sf\underline{Step-by-step \: explanation}$

Question Correction = Are 17 : 27 and 51 : 81 in proportion?

$\bold{Solution \: :}$

● [m : n = m/n]

● So, 17 : 27 and 51 : 81 =

$\dfrac{17}{27} \: and \: \dfrac{51}{81}$

● To check whether they are equal or not, we have to either check their lowest forms or their cross multiplication products.

● Using Cross multiplication,

● 17 × 81 = 51 × 27

● 1377 = 1377

● As there cross multiplied product are same, these both fractions are in proportion to each other.

●
$\dfrac{17}{27} \: = \: \dfrac{51}{81}$

● 17 : 27 = 51 : 81