Question

Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion. 

39 litres : 65 litres and 6 bottles : 10 bottles

Answer 1

39 litres : 65 litres and 6 bottles : 10 bottles

`39/65 = 3/5` and `6/10 = 3/5`

Yes. These are in proportion. 

Middle terms are 65 l, 6 bottles.

Extreme terms are 39 l, 10 bottles.