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Finding the Third Proportional to 239,750 and 516,892

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Solution

The third proportional to 239,750 and 516,892 is: 1,114,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,750 : 516,892 = 516,892 : x
  2. Step 2: Convert to fraction form
    239,750/516,892 = 516,892/x
  3. Step 3: Cross multiply
    239,750x = 516,892 × 516,892
  4. Step 4: Simplify right side
    239,750x = 267,177,339,664
  5. Step 5: Solve for x
    x = 267,177,339,664/239,750
  6. Step 6: Final answer
    x = 1,114,399.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.