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Finding the Third Proportional to 104,940 and 225,432

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Solution

The third proportional to 104,940 and 225,432 is: 484,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940 : 225,432 = 225,432 : x
  2. Step 2: Convert to fraction form
    104,940/225,432 = 225,432/x
  3. Step 3: Cross multiply
    104,940x = 225,432 × 225,432
  4. Step 4: Simplify right side
    104,940x = 50,819,586,624
  5. Step 5: Solve for x
    x = 50,819,586,624/104,940
  6. Step 6: Final answer
    x = 484,272.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.