Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
(a) 2kg : 50kg and 25g : 625g
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Answer:
products of extreme =product of middle term
2×625=50×25
1250=1250 ,it isproportion
extreme term=2×625=1250kg
middle term=50×25=1250kg
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