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Finding the Third Proportional to 68,800 and 151,571

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Solution

The third proportional to 68,800 and 151,571 is: 333,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,800 : 151,571 = 151,571 : x
  2. Step 2: Convert to fraction form
    68,800/151,571 = 151,571/x
  3. Step 3: Cross multiply
    68,800x = 151,571 × 151,571
  4. Step 4: Simplify right side
    68,800x = 22,973,768,041
  5. Step 5: Solve for x
    x = 22,973,768,041/68,800
  6. Step 6: Final answer
    x = 333,921.05

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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.