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Finding the Third Proportional to 237,980 and 517,432

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Solution

The third proportional to 237,980 and 517,432 is: 1,125,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,980 : 517,432 = 517,432 : x
  2. Step 2: Convert to fraction form
    237,980/517,432 = 517,432/x
  3. Step 3: Cross multiply
    237,980x = 517,432 × 517,432
  4. Step 4: Simplify right side
    237,980x = 267,735,874,624
  5. Step 5: Solve for x
    x = 267,735,874,624/237,980
  6. Step 6: Final answer
    x = 1,125,035.19

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.