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Finding the Third Proportional to 39,469.50 and 87,247.13

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Solution

The third proportional to 39,469.50 and 87,247.13 is: 192,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.50 : 87,247.13 = 87,247.13 : x
  2. Step 2: Convert to fraction form
    39,469.50/87,247.13 = 87,247.13/x
  3. Step 3: Cross multiply
    39,469.50x = 87,247.13 × 87,247.13
  4. Step 4: Simplify right side
    39,469.50x = 7,612,060,820.77
  5. Step 5: Solve for x
    x = 7,612,060,820.77/39,469.50
  6. Step 6: Final answer
    x = 192,859.32

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.