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Finding the Third Proportional to 68,882 and 150,866

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Solution

The third proportional to 68,882 and 150,866 is: 330,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,882 : 150,866 = 150,866 : x
  2. Step 2: Convert to fraction form
    68,882/150,866 = 150,866/x
  3. Step 3: Cross multiply
    68,882x = 150,866 × 150,866
  4. Step 4: Simplify right side
    68,882x = 22,760,549,956
  5. Step 5: Solve for x
    x = 22,760,549,956/68,882
  6. Step 6: Final answer
    x = 330,428.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.