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Finding the Third Proportional to 37,581 and 81,723

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Solution

The third proportional to 37,581 and 81,723 is: 177,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581 : 81,723 = 81,723 : x
  2. Step 2: Convert to fraction form
    37,581/81,723 = 81,723/x
  3. Step 3: Cross multiply
    37,581x = 81,723 × 81,723
  4. Step 4: Simplify right side
    37,581x = 6,678,648,729
  5. Step 5: Solve for x
    x = 6,678,648,729/37,581
  6. Step 6: Final answer
    x = 177,713.44

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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.