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Finding the Third Proportional to 67,992 and 147,282

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Solution

The third proportional to 67,992 and 147,282 is: 319,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,992 : 147,282 = 147,282 : x
  2. Step 2: Convert to fraction form
    67,992/147,282 = 147,282/x
  3. Step 3: Cross multiply
    67,992x = 147,282 × 147,282
  4. Step 4: Simplify right side
    67,992x = 21,691,987,524
  5. Step 5: Solve for x
    x = 21,691,987,524/67,992
  6. Step 6: Final answer
    x = 319,037.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.