Finding the Third Proportional to 721,350 and 1,121,402.25
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Solution
The third proportional to 721,350 and 1,121,402.25 is: 1,743,318.79
Step by Step Solution
- Step 1: Write the proportion equation
721,350 : 1,121,402.25 = 1,121,402.25 : x - Step 2: Convert to fraction form
721,350/1,121,402.25 = 1,121,402.25/x - Step 3: Cross multiply
721,350x = 1,121,402.25 × 1,121,402.25 - Step 4: Simplify right side
721,350x = 1,257,543,006,305.06 - Step 5: Solve for x
x = 1,257,543,006,305.06/721,350 - Step 6: Final answer
x = 1,743,318.79
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.