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Finding the Third Proportional to 76,879.50 and 167,223

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Solution

The third proportional to 76,879.50 and 167,223 is: 363,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,879.50 : 167,223 = 167,223 : x
  2. Step 2: Convert to fraction form
    76,879.50/167,223 = 167,223/x
  3. Step 3: Cross multiply
    76,879.50x = 167,223 × 167,223
  4. Step 4: Simplify right side
    76,879.50x = 27,963,531,729
  5. Step 5: Solve for x
    x = 27,963,531,729/76,879.50
  6. Step 6: Final answer
    x = 363,731.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.