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Finding the Third Proportional to 79,481.75 and 120,032.75

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Solution

The third proportional to 79,481.75 and 120,032.75 is: 181,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,481.75 : 120,032.75 = 120,032.75 : x
  2. Step 2: Convert to fraction form
    79,481.75/120,032.75 = 120,032.75/x
  3. Step 3: Cross multiply
    79,481.75x = 120,032.75 × 120,032.75
  4. Step 4: Simplify right side
    79,481.75x = 14,407,861,072.56
  5. Step 5: Solve for x
    x = 14,407,861,072.56/79,481.75
  6. Step 6: Final answer
    x = 181,272.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.