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Finding the Third Proportional to 18,469 and 38,026

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Solution

The third proportional to 18,469 and 38,026 is: 78,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469 : 38,026 = 38,026 : x
  2. Step 2: Convert to fraction form
    18,469/38,026 = 38,026/x
  3. Step 3: Cross multiply
    18,469x = 38,026 × 38,026
  4. Step 4: Simplify right side
    18,469x = 1,445,976,676
  5. Step 5: Solve for x
    x = 1,445,976,676/18,469
  6. Step 6: Final answer
    x = 78,292.09

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.