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Finding the Third Proportional to 220,414.50 and 329,766.75

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Solution

The third proportional to 220,414.50 and 329,766.75 is: 493,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,414.50 : 329,766.75 = 329,766.75 : x
  2. Step 2: Convert to fraction form
    220,414.50/329,766.75 = 329,766.75/x
  3. Step 3: Cross multiply
    220,414.50x = 329,766.75 × 329,766.75
  4. Step 4: Simplify right side
    220,414.50x = 108,746,109,405.56
  5. Step 5: Solve for x
    x = 108,746,109,405.56/220,414.50
  6. Step 6: Final answer
    x = 493,370.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.