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Finding the Third Proportional to 367,086 and 516,945

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Solution

The third proportional to 367,086 and 516,945 is: 727,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,086 : 516,945 = 516,945 : x
  2. Step 2: Convert to fraction form
    367,086/516,945 = 516,945/x
  3. Step 3: Cross multiply
    367,086x = 516,945 × 516,945
  4. Step 4: Simplify right side
    367,086x = 267,232,133,025
  5. Step 5: Solve for x
    x = 267,232,133,025/367,086
  6. Step 6: Final answer
    x = 727,982.36

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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.