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Finding the Third Proportional to 38,530 and 57,536

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Solution

The third proportional to 38,530 and 57,536 is: 85,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,530 : 57,536 = 57,536 : x
  2. Step 2: Convert to fraction form
    38,530/57,536 = 57,536/x
  3. Step 3: Cross multiply
    38,530x = 57,536 × 57,536
  4. Step 4: Simplify right side
    38,530x = 3,310,391,296
  5. Step 5: Solve for x
    x = 3,310,391,296/38,530
  6. Step 6: Final answer
    x = 85,917.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.