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Finding the Third Proportional to 79,159.50 and 161,542.13

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Solution

The third proportional to 79,159.50 and 161,542.13 is: 329,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159.50 : 161,542.13 = 161,542.13 : x
  2. Step 2: Convert to fraction form
    79,159.50/161,542.13 = 161,542.13/x
  3. Step 3: Cross multiply
    79,159.50x = 161,542.13 × 161,542.13
  4. Step 4: Simplify right side
    79,159.50x = 26,095,858,149.52
  5. Step 5: Solve for x
    x = 26,095,858,149.52/79,159.50
  6. Step 6: Final answer
    x = 329,661.74

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.