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Finding the Third Proportional to 3,262.78 and 6,616.69

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Solution

The third proportional to 3,262.78 and 6,616.69 is: 13,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.78 : 6,616.69 = 6,616.69 : x
  2. Step 2: Convert to fraction form
    3,262.78/6,616.69 = 6,616.69/x
  3. Step 3: Cross multiply
    3,262.78x = 6,616.69 × 6,616.69
  4. Step 4: Simplify right side
    3,262.78x = 43,780,553.47
  5. Step 5: Solve for x
    x = 43,780,553.47/3,262.78
  6. Step 6: Final answer
    x = 13,418.17

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.