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Finding the Third Proportional to 38,916 and 83,349

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Solution

The third proportional to 38,916 and 83,349 is: 178,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916 : 83,349 = 83,349 : x
  2. Step 2: Convert to fraction form
    38,916/83,349 = 83,349/x
  3. Step 3: Cross multiply
    38,916x = 83,349 × 83,349
  4. Step 4: Simplify right side
    38,916x = 6,947,055,801
  5. Step 5: Solve for x
    x = 6,947,055,801/38,916
  6. Step 6: Final answer
    x = 178,514.13

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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.