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Finding the Third Proportional to 38,391.75 and 82,341

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Solution

The third proportional to 38,391.75 and 82,341 is: 176,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,391.75 : 82,341 = 82,341 : x
  2. Step 2: Convert to fraction form
    38,391.75/82,341 = 82,341/x
  3. Step 3: Cross multiply
    38,391.75x = 82,341 × 82,341
  4. Step 4: Simplify right side
    38,391.75x = 6,780,040,281
  5. Step 5: Solve for x
    x = 6,780,040,281/38,391.75
  6. Step 6: Final answer
    x = 176,601.49

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.