Finding the Third Proportional to 721,381 and 1,125,748
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Solution
The third proportional to 721,381 and 1,125,748 is: 1,756,781.17
Step by Step Solution
- Step 1: Write the proportion equation
721,381 : 1,125,748 = 1,125,748 : x - Step 2: Convert to fraction form
721,381/1,125,748 = 1,125,748/x - Step 3: Cross multiply
721,381x = 1,125,748 × 1,125,748 - Step 4: Simplify right side
721,381x = 1,267,308,559,504 - Step 5: Solve for x
x = 1,267,308,559,504/721,381 - Step 6: Final answer
x = 1,756,781.17
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.