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Finding the Third Proportional to 77,944 and 167,907

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Solution

The third proportional to 77,944 and 167,907 is: 361,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944 : 167,907 = 167,907 : x
  2. Step 2: Convert to fraction form
    77,944/167,907 = 167,907/x
  3. Step 3: Cross multiply
    77,944x = 167,907 × 167,907
  4. Step 4: Simplify right side
    77,944x = 28,192,760,649
  5. Step 5: Solve for x
    x = 28,192,760,649/77,944
  6. Step 6: Final answer
    x = 361,705.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.