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Finding the Third Proportional to 8,260.31 and 11,775.38

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Solution

The third proportional to 8,260.31 and 11,775.38 is: 16,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.31 : 11,775.38 = 11,775.38 : x
  2. Step 2: Convert to fraction form
    8,260.31/11,775.38 = 11,775.38/x
  3. Step 3: Cross multiply
    8,260.31x = 11,775.38 × 11,775.38
  4. Step 4: Simplify right side
    8,260.31x = 138,659,456.39
  5. Step 5: Solve for x
    x = 138,659,456.39/8,260.31
  6. Step 6: Final answer
    x = 16,786.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.