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Finding the Third Proportional to 18,267.71 and 39,841.56

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Solution

The third proportional to 18,267.71 and 39,841.56 is: 86,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.71 : 39,841.56 = 39,841.56 : x
  2. Step 2: Convert to fraction form
    18,267.71/39,841.56 = 39,841.56/x
  3. Step 3: Cross multiply
    18,267.71x = 39,841.56 × 39,841.56
  4. Step 4: Simplify right side
    18,267.71x = 1,587,349,791.18
  5. Step 5: Solve for x
    x = 1,587,349,791.18/18,267.71
  6. Step 6: Final answer
    x = 86,893.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.