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Finding the Third Proportional to 38,831 and 58,831

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Solution

The third proportional to 38,831 and 58,831 is: 89,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,831 : 58,831 = 58,831 : x
  2. Step 2: Convert to fraction form
    38,831/58,831 = 58,831/x
  3. Step 3: Cross multiply
    38,831x = 58,831 × 58,831
  4. Step 4: Simplify right side
    38,831x = 3,461,086,561
  5. Step 5: Solve for x
    x = 3,461,086,561/38,831
  6. Step 6: Final answer
    x = 89,132.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.