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Finding the Third Proportional to 4,052.90 and 8,711.24

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Solution

The third proportional to 4,052.90 and 8,711.24 is: 18,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052.90 : 8,711.24 = 8,711.24 : x
  2. Step 2: Convert to fraction form
    4,052.90/8,711.24 = 8,711.24/x
  3. Step 3: Cross multiply
    4,052.90x = 8,711.24 × 8,711.24
  4. Step 4: Simplify right side
    4,052.90x = 75,885,774.48
  5. Step 5: Solve for x
    x = 75,885,774.48/4,052.90
  6. Step 6: Final answer
    x = 18,723.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.