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Finding the Third Proportional to 18,115 and 26,523

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Solution

The third proportional to 18,115 and 26,523 is: 38,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115 : 26,523 = 26,523 : x
  2. Step 2: Convert to fraction form
    18,115/26,523 = 26,523/x
  3. Step 3: Cross multiply
    18,115x = 26,523 × 26,523
  4. Step 4: Simplify right side
    18,115x = 703,469,529
  5. Step 5: Solve for x
    x = 703,469,529/18,115
  6. Step 6: Final answer
    x = 38,833.54

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.