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Finding the Third Proportional to 38,337 and 81,229

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Solution

The third proportional to 38,337 and 81,229 is: 172,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337 : 81,229 = 81,229 : x
  2. Step 2: Convert to fraction form
    38,337/81,229 = 81,229/x
  3. Step 3: Cross multiply
    38,337x = 81,229 × 81,229
  4. Step 4: Simplify right side
    38,337x = 6,598,150,441
  5. Step 5: Solve for x
    x = 6,598,150,441/38,337
  6. Step 6: Final answer
    x = 172,109.20

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.