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Finding the Third Proportional to 367,038 and 516,879

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Solution

The third proportional to 367,038 and 516,879 is: 727,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,038 : 516,879 = 516,879 : x
  2. Step 2: Convert to fraction form
    367,038/516,879 = 516,879/x
  3. Step 3: Cross multiply
    367,038x = 516,879 × 516,879
  4. Step 4: Simplify right side
    367,038x = 267,163,900,641
  5. Step 5: Solve for x
    x = 267,163,900,641/367,038
  6. Step 6: Final answer
    x = 727,891.66

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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.