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Finding the Third Proportional to 221,382 and 332,292

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Solution

The third proportional to 221,382 and 332,292 is: 498,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,382 : 332,292 = 332,292 : x
  2. Step 2: Convert to fraction form
    221,382/332,292 = 332,292/x
  3. Step 3: Cross multiply
    221,382x = 332,292 × 332,292
  4. Step 4: Simplify right side
    221,382x = 110,417,973,264
  5. Step 5: Solve for x
    x = 110,417,973,264/221,382
  6. Step 6: Final answer
    x = 498,766.72

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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.