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Finding the Third Proportional to 18,034 and 38,372

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Solution

The third proportional to 18,034 and 38,372 is: 81,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034 : 38,372 = 38,372 : x
  2. Step 2: Convert to fraction form
    18,034/38,372 = 38,372/x
  3. Step 3: Cross multiply
    18,034x = 38,372 × 38,372
  4. Step 4: Simplify right side
    18,034x = 1,472,410,384
  5. Step 5: Solve for x
    x = 1,472,410,384/18,034
  6. Step 6: Final answer
    x = 81,646.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.