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Finding the Third Proportional to 218,552 and 445,124

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Solution

The third proportional to 218,552 and 445,124 is: 906,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,552 : 445,124 = 445,124 : x
  2. Step 2: Convert to fraction form
    218,552/445,124 = 445,124/x
  3. Step 3: Cross multiply
    218,552x = 445,124 × 445,124
  4. Step 4: Simplify right side
    218,552x = 198,135,375,376
  5. Step 5: Solve for x
    x = 198,135,375,376/218,552
  6. Step 6: Final answer
    x = 906,582.30

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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.