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Finding the Third Proportional to 40,441.50 and 54,891

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Solution

The third proportional to 40,441.50 and 54,891 is: 74,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,441.50 : 54,891 = 54,891 : x
  2. Step 2: Convert to fraction form
    40,441.50/54,891 = 54,891/x
  3. Step 3: Cross multiply
    40,441.50x = 54,891 × 54,891
  4. Step 4: Simplify right side
    40,441.50x = 3,013,021,881
  5. Step 5: Solve for x
    x = 3,013,021,881/40,441.50
  6. Step 6: Final answer
    x = 74,503.22

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.