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Finding the Third Proportional to 3,288.38 and 7,102.13

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Solution

The third proportional to 3,288.38 and 7,102.13 is: 15,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.38 : 7,102.13 = 7,102.13 : x
  2. Step 2: Convert to fraction form
    3,288.38/7,102.13 = 7,102.13/x
  3. Step 3: Cross multiply
    3,288.38x = 7,102.13 × 7,102.13
  4. Step 4: Simplify right side
    3,288.38x = 50,440,179.52
  5. Step 5: Solve for x
    x = 50,440,179.52/3,288.38
  6. Step 6: Final answer
    x = 15,338.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.