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Finding the Third Proportional to 67,908 and 149,352

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Solution

The third proportional to 67,908 and 149,352 is: 328,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,908 : 149,352 = 149,352 : x
  2. Step 2: Convert to fraction form
    67,908/149,352 = 149,352/x
  3. Step 3: Cross multiply
    67,908x = 149,352 × 149,352
  4. Step 4: Simplify right side
    67,908x = 22,306,019,904
  5. Step 5: Solve for x
    x = 22,306,019,904/67,908
  6. Step 6: Final answer
    x = 328,474.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.