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Finding the Third Proportional to 40,555.50 and 54,249

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Solution

The third proportional to 40,555.50 and 54,249 is: 72,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.50 : 54,249 = 54,249 : x
  2. Step 2: Convert to fraction form
    40,555.50/54,249 = 54,249/x
  3. Step 3: Cross multiply
    40,555.50x = 54,249 × 54,249
  4. Step 4: Simplify right side
    40,555.50x = 2,942,954,001
  5. Step 5: Solve for x
    x = 2,942,954,001/40,555.50
  6. Step 6: Final answer
    x = 72,566.09

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.