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Finding the Third Proportional to 68,812 and 150,800

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Solution

The third proportional to 68,812 and 150,800 is: 330,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812 : 150,800 = 150,800 : x
  2. Step 2: Convert to fraction form
    68,812/150,800 = 150,800/x
  3. Step 3: Cross multiply
    68,812x = 150,800 × 150,800
  4. Step 4: Simplify right side
    68,812x = 22,740,640,000
  5. Step 5: Solve for x
    x = 22,740,640,000/68,812
  6. Step 6: Final answer
    x = 330,474.92

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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.