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Finding the Third Proportional to 79,534.97 and 171,523.69

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Solution

The third proportional to 79,534.97 and 171,523.69 is: 369,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.97 : 171,523.69 = 171,523.69 : x
  2. Step 2: Convert to fraction form
    79,534.97/171,523.69 = 171,523.69/x
  3. Step 3: Cross multiply
    79,534.97x = 171,523.69 × 171,523.69
  4. Step 4: Simplify right side
    79,534.97x = 29,420,375,373.60
  5. Step 5: Solve for x
    x = 29,420,375,373.60/79,534.97
  6. Step 6: Final answer
    x = 369,904.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.