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Finding the Third Proportional to 6,882.50 and 15,135

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Solution

The third proportional to 6,882.50 and 15,135 is: 33,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.50 : 15,135 = 15,135 : x
  2. Step 2: Convert to fraction form
    6,882.50/15,135 = 15,135/x
  3. Step 3: Cross multiply
    6,882.50x = 15,135 × 15,135
  4. Step 4: Simplify right side
    6,882.50x = 229,068,225
  5. Step 5: Solve for x
    x = 229,068,225/6,882.50
  6. Step 6: Final answer
    x = 33,282.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.