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Finding the Third Proportional to 517,882 and 699,699

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Solution

The third proportional to 517,882 and 699,699 is: 945,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,882 : 699,699 = 699,699 : x
  2. Step 2: Convert to fraction form
    517,882/699,699 = 699,699/x
  3. Step 3: Cross multiply
    517,882x = 699,699 × 699,699
  4. Step 4: Simplify right side
    517,882x = 489,578,690,601
  5. Step 5: Solve for x
    x = 489,578,690,601/517,882
  6. Step 6: Final answer
    x = 945,347.96

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.