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Finding the Third Proportional to 8,574.75 and 12,882.38

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Solution

The third proportional to 8,574.75 and 12,882.38 is: 19,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.75 : 12,882.38 = 12,882.38 : x
  2. Step 2: Convert to fraction form
    8,574.75/12,882.38 = 12,882.38/x
  3. Step 3: Cross multiply
    8,574.75x = 12,882.38 × 12,882.38
  4. Step 4: Simplify right side
    8,574.75x = 165,955,585.64
  5. Step 5: Solve for x
    x = 165,955,585.64/8,574.75
  6. Step 6: Final answer
    x = 19,353.99

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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.