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Finding the Third Proportional to 67,212 and 99,282

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Solution

The third proportional to 67,212 and 99,282 is: 146,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,212 : 99,282 = 99,282 : x
  2. Step 2: Convert to fraction form
    67,212/99,282 = 99,282/x
  3. Step 3: Cross multiply
    67,212x = 99,282 × 99,282
  4. Step 4: Simplify right side
    67,212x = 9,856,915,524
  5. Step 5: Solve for x
    x = 9,856,915,524/67,212
  6. Step 6: Final answer
    x = 146,654.10

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.