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Finding the Third Proportional to 4,002.75 and 8,732.25

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Solution

The third proportional to 4,002.75 and 8,732.25 is: 19,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.75 : 8,732.25 = 8,732.25 : x
  2. Step 2: Convert to fraction form
    4,002.75/8,732.25 = 8,732.25/x
  3. Step 3: Cross multiply
    4,002.75x = 8,732.25 × 8,732.25
  4. Step 4: Simplify right side
    4,002.75x = 76,252,190.06
  5. Step 5: Solve for x
    x = 76,252,190.06/4,002.75
  6. Step 6: Final answer
    x = 19,049.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.