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Finding the Third Proportional to 68,092 and 149,621

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Solution

The third proportional to 68,092 and 149,621 is: 328,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092 : 149,621 = 149,621 : x
  2. Step 2: Convert to fraction form
    68,092/149,621 = 149,621/x
  3. Step 3: Cross multiply
    68,092x = 149,621 × 149,621
  4. Step 4: Simplify right side
    68,092x = 22,386,443,641
  5. Step 5: Solve for x
    x = 22,386,443,641/68,092
  6. Step 6: Final answer
    x = 328,767.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.