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Finding the Third Proportional to 38,979 and 82,593

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Solution

The third proportional to 38,979 and 82,593 is: 175,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,979 : 82,593 = 82,593 : x
  2. Step 2: Convert to fraction form
    38,979/82,593 = 82,593/x
  3. Step 3: Cross multiply
    38,979x = 82,593 × 82,593
  4. Step 4: Simplify right side
    38,979x = 6,821,603,649
  5. Step 5: Solve for x
    x = 6,821,603,649/38,979
  6. Step 6: Final answer
    x = 175,007.15

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.