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Finding the Third Proportional to 18,134 and 38,443

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Solution

The third proportional to 18,134 and 38,443 is: 81,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134 : 38,443 = 38,443 : x
  2. Step 2: Convert to fraction form
    18,134/38,443 = 38,443/x
  3. Step 3: Cross multiply
    18,134x = 38,443 × 38,443
  4. Step 4: Simplify right side
    18,134x = 1,477,864,249
  5. Step 5: Solve for x
    x = 1,477,864,249/18,134
  6. Step 6: Final answer
    x = 81,496.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.