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Finding the Third Proportional to 18,141 and 38,118

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Solution

The third proportional to 18,141 and 38,118 is: 80,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141 : 38,118 = 38,118 : x
  2. Step 2: Convert to fraction form
    18,141/38,118 = 38,118/x
  3. Step 3: Cross multiply
    18,141x = 38,118 × 38,118
  4. Step 4: Simplify right side
    18,141x = 1,452,981,924
  5. Step 5: Solve for x
    x = 1,452,981,924/18,141
  6. Step 6: Final answer
    x = 80,093.82

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.