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Finding the Third Proportional to 17,485 and 38,081

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Solution

The third proportional to 17,485 and 38,081 is: 82,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485 : 38,081 = 38,081 : x
  2. Step 2: Convert to fraction form
    17,485/38,081 = 38,081/x
  3. Step 3: Cross multiply
    17,485x = 38,081 × 38,081
  4. Step 4: Simplify right side
    17,485x = 1,450,162,561
  5. Step 5: Solve for x
    x = 1,450,162,561/17,485
  6. Step 6: Final answer
    x = 82,937.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.