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Finding the Third Proportional to 11,138 and 26,387

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Solution

The third proportional to 11,138 and 26,387 is: 62,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138 : 26,387 = 26,387 : x
  2. Step 2: Convert to fraction form
    11,138/26,387 = 26,387/x
  3. Step 3: Cross multiply
    11,138x = 26,387 × 26,387
  4. Step 4: Simplify right side
    11,138x = 696,273,769
  5. Step 5: Solve for x
    x = 696,273,769/11,138
  6. Step 6: Final answer
    x = 62,513.36

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.