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Finding the Third Proportional to 68,118 and 149,292

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Solution

The third proportional to 68,118 and 149,292 is: 327,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,118 : 149,292 = 149,292 : x
  2. Step 2: Convert to fraction form
    68,118/149,292 = 149,292/x
  3. Step 3: Cross multiply
    68,118x = 149,292 × 149,292
  4. Step 4: Simplify right side
    68,118x = 22,288,101,264
  5. Step 5: Solve for x
    x = 22,288,101,264/68,118
  6. Step 6: Final answer
    x = 327,198.41

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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.