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Finding the Third Proportional to 76,986 and 160,092

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Solution

The third proportional to 76,986 and 160,092 is: 332,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,986 : 160,092 = 160,092 : x
  2. Step 2: Convert to fraction form
    76,986/160,092 = 160,092/x
  3. Step 3: Cross multiply
    76,986x = 160,092 × 160,092
  4. Step 4: Simplify right side
    76,986x = 25,629,448,464
  5. Step 5: Solve for x
    x = 25,629,448,464/76,986
  6. Step 6: Final answer
    x = 332,910.51

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.