Question

find the missing term in each of the given proportions 3:5::x:25​

Answer 1

$3 : 5 : : x :25 \\ \frac{3}{5} = \frac{x}{25} \\ \\ x = \frac{25 \times 3}{5} \\ \\ x = 15$

Answer 2

$\sf\huge\bold{\underline{\underline{{Solution}}}}$

=>3:5::x:25

=>5×x=25×3

=>5x=75

=>x=75/5=15

x=15

Now check

3:5::15:25

15:25 which means 3:5

=>3:5::3:5(verified)

Extra information=>

Above question is based on ratio and proportion

Ratio => Ratio is always done between any two quantity /values which are of same kind which are in fraction.

3:5::x:25=>3:5::3:5 is a Proportion

proportion=>Proportion is nothing but it shows that the given two ratios of any two quantity (in fraction) is equal.In simple words it shows that two ratios are equal.