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Finding the Third Proportional to 38,868 and 83,397

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Solution

The third proportional to 38,868 and 83,397 is: 178,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868 : 83,397 = 83,397 : x
  2. Step 2: Convert to fraction form
    38,868/83,397 = 83,397/x
  3. Step 3: Cross multiply
    38,868x = 83,397 × 83,397
  4. Step 4: Simplify right side
    38,868x = 6,955,059,609
  5. Step 5: Solve for x
    x = 6,955,059,609/38,868
  6. Step 6: Final answer
    x = 178,940.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.