Finding the Third Proportional to 492,714 and 686,475
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Solution
The third proportional to 492,714 and 686,475 is: 956,432.99
Step by Step Solution
- Step 1: Write the proportion equation
492,714 : 686,475 = 686,475 : x - Step 2: Convert to fraction form
492,714/686,475 = 686,475/x - Step 3: Cross multiply
492,714x = 686,475 × 686,475 - Step 4: Simplify right side
492,714x = 471,247,925,625 - Step 5: Solve for x
x = 471,247,925,625/492,714 - Step 6: Final answer
x = 956,432.99
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.