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Finding the Third Proportional to 3,022.31 and 6,321.80

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Solution

The third proportional to 3,022.31 and 6,321.80 is: 13,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.31 : 6,321.80 = 6,321.80 : x
  2. Step 2: Convert to fraction form
    3,022.31/6,321.80 = 6,321.80/x
  3. Step 3: Cross multiply
    3,022.31x = 6,321.80 × 6,321.80
  4. Step 4: Simplify right side
    3,022.31x = 39,965,115.73
  5. Step 5: Solve for x
    x = 39,965,115.73/3,022.31
  6. Step 6: Final answer
    x = 13,223.36

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.