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Finding the Third Proportional to 11,126 and 15,649

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Solution

The third proportional to 11,126 and 15,649 is: 22,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126 : 15,649 = 15,649 : x
  2. Step 2: Convert to fraction form
    11,126/15,649 = 15,649/x
  3. Step 3: Cross multiply
    11,126x = 15,649 × 15,649
  4. Step 4: Simplify right side
    11,126x = 244,891,201
  5. Step 5: Solve for x
    x = 244,891,201/11,126
  6. Step 6: Final answer
    x = 22,010.71

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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.