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Finding the Third Proportional to 39,992.44 and 87,517.88

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Solution

The third proportional to 39,992.44 and 87,517.88 is: 191,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.44 : 87,517.88 = 87,517.88 : x
  2. Step 2: Convert to fraction form
    39,992.44/87,517.88 = 87,517.88/x
  3. Step 3: Cross multiply
    39,992.44x = 87,517.88 × 87,517.88
  4. Step 4: Simplify right side
    39,992.44x = 7,659,378,444.52
  5. Step 5: Solve for x
    x = 7,659,378,444.52/39,992.44
  6. Step 6: Final answer
    x = 191,520.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.