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Finding the Third Proportional to 27,200 and 38,305

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Solution

The third proportional to 27,200 and 38,305 is: 53,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200 : 38,305 = 38,305 : x
  2. Step 2: Convert to fraction form
    27,200/38,305 = 38,305/x
  3. Step 3: Cross multiply
    27,200x = 38,305 × 38,305
  4. Step 4: Simplify right side
    27,200x = 1,467,273,025
  5. Step 5: Solve for x
    x = 1,467,273,025/27,200
  6. Step 6: Final answer
    x = 53,943.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.