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Finding the Third Proportional to 37,720 and 82,694

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Solution

The third proportional to 37,720 and 82,694 is: 181,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720 : 82,694 = 82,694 : x
  2. Step 2: Convert to fraction form
    37,720/82,694 = 82,694/x
  3. Step 3: Cross multiply
    37,720x = 82,694 × 82,694
  4. Step 4: Simplify right side
    37,720x = 6,838,297,636
  5. Step 5: Solve for x
    x = 6,838,297,636/37,720
  6. Step 6: Final answer
    x = 181,291.03

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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.