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प्रश्न
Show that the following numbers are in continued proportion:
36, 90, 225
उत्तर
36:90, 90:225
Product of means = 90 × 90 = 8100
Product of extremes = 36 × 225 = 8100
Product of means = Product of extremes
Hence, 36:90::90:225 are in continued proportion.
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