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Finding the Third Proportional to 68,692 and 149,048

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Solution

The third proportional to 68,692 and 149,048 is: 323,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692 : 149,048 = 149,048 : x
  2. Step 2: Convert to fraction form
    68,692/149,048 = 149,048/x
  3. Step 3: Cross multiply
    68,692x = 149,048 × 149,048
  4. Step 4: Simplify right side
    68,692x = 22,215,306,304
  5. Step 5: Solve for x
    x = 22,215,306,304/68,692
  6. Step 6: Final answer
    x = 323,404.56

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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.