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Finding the Third Proportional to 37,740 and 82,041

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Solution

The third proportional to 37,740 and 82,041 is: 178,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,740 : 82,041 = 82,041 : x
  2. Step 2: Convert to fraction form
    37,740/82,041 = 82,041/x
  3. Step 3: Cross multiply
    37,740x = 82,041 × 82,041
  4. Step 4: Simplify right side
    37,740x = 6,730,725,681
  5. Step 5: Solve for x
    x = 6,730,725,681/37,740
  6. Step 6: Final answer
    x = 178,344.61

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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.