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Finding the Third Proportional to 38,256 and 82,865

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Solution

The third proportional to 38,256 and 82,865 is: 179,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,256 : 82,865 = 82,865 : x
  2. Step 2: Convert to fraction form
    38,256/82,865 = 82,865/x
  3. Step 3: Cross multiply
    38,256x = 82,865 × 82,865
  4. Step 4: Simplify right side
    38,256x = 6,866,608,225
  5. Step 5: Solve for x
    x = 6,866,608,225/38,256
  6. Step 6: Final answer
    x = 179,491.01

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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.