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Finding the Third Proportional to 77,962 and 171,267

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Solution

The third proportional to 77,962 and 171,267 is: 376,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962 : 171,267 = 171,267 : x
  2. Step 2: Convert to fraction form
    77,962/171,267 = 171,267/x
  3. Step 3: Cross multiply
    77,962x = 171,267 × 171,267
  4. Step 4: Simplify right side
    77,962x = 29,332,385,289
  5. Step 5: Solve for x
    x = 29,332,385,289/77,962
  6. Step 6: Final answer
    x = 376,239.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.