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Finding the Third Proportional to 68,978 and 151,204

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Solution

The third proportional to 68,978 and 151,204 is: 331,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,978 : 151,204 = 151,204 : x
  2. Step 2: Convert to fraction form
    68,978/151,204 = 151,204/x
  3. Step 3: Cross multiply
    68,978x = 151,204 × 151,204
  4. Step 4: Simplify right side
    68,978x = 22,862,649,616
  5. Step 5: Solve for x
    x = 22,862,649,616/68,978
  6. Step 6: Final answer
    x = 331,448.43

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