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Finding the Third Proportional to 221,534 and 332,231

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Solution

The third proportional to 221,534 and 332,231 is: 498,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,534 : 332,231 = 332,231 : x
  2. Step 2: Convert to fraction form
    221,534/332,231 = 332,231/x
  3. Step 3: Cross multiply
    221,534x = 332,231 × 332,231
  4. Step 4: Simplify right side
    221,534x = 110,377,437,361
  5. Step 5: Solve for x
    x = 110,377,437,361/221,534
  6. Step 6: Final answer
    x = 498,241.52

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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.