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Finding the Third Proportional to 366,958 and 516,764

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Solution

The third proportional to 366,958 and 516,764 is: 727,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958 : 516,764 = 516,764 : x
  2. Step 2: Convert to fraction form
    366,958/516,764 = 516,764/x
  3. Step 3: Cross multiply
    366,958x = 516,764 × 516,764
  4. Step 4: Simplify right side
    366,958x = 267,045,031,696
  5. Step 5: Solve for x
    x = 267,045,031,696/366,958
  6. Step 6: Final answer
    x = 727,726.42

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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.