Finding the Third Proportional to 721,732 and 1,117,408
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Solution
The third proportional to 721,732 and 1,117,408 is: 1,730,005.93
Step by Step Solution
- Step 1: Write the proportion equation
721,732 : 1,117,408 = 1,117,408 : x - Step 2: Convert to fraction form
721,732/1,117,408 = 1,117,408/x - Step 3: Cross multiply
721,732x = 1,117,408 × 1,117,408 - Step 4: Simplify right side
721,732x = 1,248,600,638,464 - Step 5: Solve for x
x = 1,248,600,638,464/721,732 - Step 6: Final answer
x = 1,730,005.93
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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.