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Finding the Third Proportional to 31,843.13 and 47,764.69

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Solution

The third proportional to 31,843.13 and 47,764.69 is: 71,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.13 : 47,764.69 = 47,764.69 : x
  2. Step 2: Convert to fraction form
    31,843.13/47,764.69 = 47,764.69/x
  3. Step 3: Cross multiply
    31,843.13x = 47,764.69 × 47,764.69
  4. Step 4: Simplify right side
    31,843.13x = 2,281,465,371.97
  5. Step 5: Solve for x
    x = 2,281,465,371.97/31,843.13
  6. Step 6: Final answer
    x = 71,647.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.