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Finding the Third Proportional to 38,346.75 and 80,217

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Solution

The third proportional to 38,346.75 and 80,217 is: 167,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.75 : 80,217 = 80,217 : x
  2. Step 2: Convert to fraction form
    38,346.75/80,217 = 80,217/x
  3. Step 3: Cross multiply
    38,346.75x = 80,217 × 80,217
  4. Step 4: Simplify right side
    38,346.75x = 6,434,767,089
  5. Step 5: Solve for x
    x = 6,434,767,089/38,346.75
  6. Step 6: Final answer
    x = 167,804.76

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.