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Finding the Third Proportional to 37,400.50 and 81,839

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Solution

The third proportional to 37,400.50 and 81,839 is: 179,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.50 : 81,839 = 81,839 : x
  2. Step 2: Convert to fraction form
    37,400.50/81,839 = 81,839/x
  3. Step 3: Cross multiply
    37,400.50x = 81,839 × 81,839
  4. Step 4: Simplify right side
    37,400.50x = 6,697,621,921
  5. Step 5: Solve for x
    x = 6,697,621,921/37,400.50
  6. Step 6: Final answer
    x = 179,078.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.