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Finding the Third Proportional to 18,958.50 and 41,226.75

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Solution

The third proportional to 18,958.50 and 41,226.75 is: 89,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.50 : 41,226.75 = 41,226.75 : x
  2. Step 2: Convert to fraction form
    18,958.50/41,226.75 = 41,226.75/x
  3. Step 3: Cross multiply
    18,958.50x = 41,226.75 × 41,226.75
  4. Step 4: Simplify right side
    18,958.50x = 1,699,644,915.56
  5. Step 5: Solve for x
    x = 1,699,644,915.56/18,958.50
  6. Step 6: Final answer
    x = 89,650.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.