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Finding the Third Proportional to 79,243.88 and 162,132.19

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Solution

The third proportional to 79,243.88 and 162,132.19 is: 331,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.88 : 162,132.19 = 162,132.19 : x
  2. Step 2: Convert to fraction form
    79,243.88/162,132.19 = 162,132.19/x
  3. Step 3: Cross multiply
    79,243.88x = 162,132.19 × 162,132.19
  4. Step 4: Simplify right side
    79,243.88x = 26,286,846,223.54
  5. Step 5: Solve for x
    x = 26,286,846,223.54/79,243.88
  6. Step 6: Final answer
    x = 331,720.86

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.