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Finding the Third Proportional to 18,730.41 and 39,844.59

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Solution

The third proportional to 18,730.41 and 39,844.59 is: 84,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.41 : 39,844.59 = 39,844.59 : x
  2. Step 2: Convert to fraction form
    18,730.41/39,844.59 = 39,844.59/x
  3. Step 3: Cross multiply
    18,730.41x = 39,844.59 × 39,844.59
  4. Step 4: Simplify right side
    18,730.41x = 1,587,591,651.10
  5. Step 5: Solve for x
    x = 1,587,591,651.10/18,730.41
  6. Step 6: Final answer
    x = 84,760.13

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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.