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Finding the Third Proportional to 109,812 and 223,512

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Solution

The third proportional to 109,812 and 223,512 is: 454,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812 : 223,512 = 223,512 : x
  2. Step 2: Convert to fraction form
    109,812/223,512 = 223,512/x
  3. Step 3: Cross multiply
    109,812x = 223,512 × 223,512
  4. Step 4: Simplify right side
    109,812x = 49,957,614,144
  5. Step 5: Solve for x
    x = 49,957,614,144/109,812
  6. Step 6: Final answer
    x = 454,937.66

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.