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Finding the Third Proportional to 3,261.38 and 7,882.88

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Solution

The third proportional to 3,261.38 and 7,882.88 is: 19,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.38 : 7,882.88 = 7,882.88 : x
  2. Step 2: Convert to fraction form
    3,261.38/7,882.88 = 7,882.88/x
  3. Step 3: Cross multiply
    3,261.38x = 7,882.88 × 7,882.88
  4. Step 4: Simplify right side
    3,261.38x = 62,139,718.27
  5. Step 5: Solve for x
    x = 62,139,718.27/3,261.38
  6. Step 6: Final answer
    x = 19,053.23

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.