Finding the Third Proportional to 721,458 and 1,121,484
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Solution
The third proportional to 721,458 and 1,121,484 is: 1,743,311.96
Step by Step Solution
- Step 1: Write the proportion equation
721,458 : 1,121,484 = 1,121,484 : x - Step 2: Convert to fraction form
721,458/1,121,484 = 1,121,484/x - Step 3: Cross multiply
721,458x = 1,121,484 × 1,121,484 - Step 4: Simplify right side
721,458x = 1,257,726,362,256 - Step 5: Solve for x
x = 1,257,726,362,256/721,458 - Step 6: Final answer
x = 1,743,311.96
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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.