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Finding the Third Proportional to 9,631 and 15,398

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Solution

The third proportional to 9,631 and 15,398 is: 24,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631 : 15,398 = 15,398 : x
  2. Step 2: Convert to fraction form
    9,631/15,398 = 15,398/x
  3. Step 3: Cross multiply
    9,631x = 15,398 × 15,398
  4. Step 4: Simplify right side
    9,631x = 237,098,404
  5. Step 5: Solve for x
    x = 237,098,404/9,631
  6. Step 6: Final answer
    x = 24,618.25

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.