Answer:
No
Explanation:
Each ratio is irreducible, and they are different. Hence they are not the same value, so cannot be a proportion. A proportion is two equal ratios.
5 : 3 = 40 : 24
13 : 8 = 39 : 24 . . . . not the same as 40 : 24
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Examples of proportions
5/3 = 40/24 . . . is a proportion
13/8 = 39/24 . . . is a proportion