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Finding the Third Proportional to 100,366 and 155,493

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Solution

The third proportional to 100,366 and 155,493 is: 240,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,366 : 155,493 = 155,493 : x
  2. Step 2: Convert to fraction form
    100,366/155,493 = 155,493/x
  3. Step 3: Cross multiply
    100,366x = 155,493 × 155,493
  4. Step 4: Simplify right side
    100,366x = 24,178,073,049
  5. Step 5: Solve for x
    x = 24,178,073,049/100,366
  6. Step 6: Final answer
    x = 240,899.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.