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Finding the Third Proportional to 8,223.44 and 18,087.13

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Solution

The third proportional to 8,223.44 and 18,087.13 is: 39,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.44 : 18,087.13 = 18,087.13 : x
  2. Step 2: Convert to fraction form
    8,223.44/18,087.13 = 18,087.13/x
  3. Step 3: Cross multiply
    8,223.44x = 18,087.13 × 18,087.13
  4. Step 4: Simplify right side
    8,223.44x = 327,144,090.77
  5. Step 5: Solve for x
    x = 327,144,090.77/8,223.44
  6. Step 6: Final answer
    x = 39,781.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.