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Finding the Third Proportional to 8,934 and 11,751

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Solution

The third proportional to 8,934 and 11,751 is: 15,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934 : 11,751 = 11,751 : x
  2. Step 2: Convert to fraction form
    8,934/11,751 = 11,751/x
  3. Step 3: Cross multiply
    8,934x = 11,751 × 11,751
  4. Step 4: Simplify right side
    8,934x = 138,086,001
  5. Step 5: Solve for x
    x = 138,086,001/8,934
  6. Step 6: Final answer
    x = 15,456.23

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.