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Finding the Third Proportional to 18,815.25 and 41,469.75

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Solution

The third proportional to 18,815.25 and 41,469.75 is: 91,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.25 : 41,469.75 = 41,469.75 : x
  2. Step 2: Convert to fraction form
    18,815.25/41,469.75 = 41,469.75/x
  3. Step 3: Cross multiply
    18,815.25x = 41,469.75 × 41,469.75
  4. Step 4: Simplify right side
    18,815.25x = 1,719,740,165.06
  5. Step 5: Solve for x
    x = 1,719,740,165.06/18,815.25
  6. Step 6: Final answer
    x = 91,401.40

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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.