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Finding the Third Proportional to 366,974 and 516,791

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Solution

The third proportional to 366,974 and 516,791 is: 727,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,974 : 516,791 = 516,791 : x
  2. Step 2: Convert to fraction form
    366,974/516,791 = 516,791/x
  3. Step 3: Cross multiply
    366,974x = 516,791 × 516,791
  4. Step 4: Simplify right side
    366,974x = 267,072,937,681
  5. Step 5: Solve for x
    x = 267,072,937,681/366,974
  6. Step 6: Final answer
    x = 727,770.73

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.