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Finding the Third Proportional to 221,374 and 332,108

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Solution

The third proportional to 221,374 and 332,108 is: 498,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,374 : 332,108 = 332,108 : x
  2. Step 2: Convert to fraction form
    221,374/332,108 = 332,108/x
  3. Step 3: Cross multiply
    221,374x = 332,108 × 332,108
  4. Step 4: Simplify right side
    221,374x = 110,295,723,664
  5. Step 5: Solve for x
    x = 110,295,723,664/221,374
  6. Step 6: Final answer
    x = 498,232.51

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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.