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Finding the Third Proportional to 8,239.22 and 17,571.09

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Solution

The third proportional to 8,239.22 and 17,571.09 is: 37,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.22 : 17,571.09 = 17,571.09 : x
  2. Step 2: Convert to fraction form
    8,239.22/17,571.09 = 17,571.09/x
  3. Step 3: Cross multiply
    8,239.22x = 17,571.09 × 17,571.09
  4. Step 4: Simplify right side
    8,239.22x = 308,743,335.57
  5. Step 5: Solve for x
    x = 308,743,335.57/8,239.22
  6. Step 6: Final answer
    x = 37,472.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.