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Finding the Third Proportional to 77,766.75 and 160,440.75

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Solution

The third proportional to 77,766.75 and 160,440.75 is: 331,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,766.75 : 160,440.75 = 160,440.75 : x
  2. Step 2: Convert to fraction form
    77,766.75/160,440.75 = 160,440.75/x
  3. Step 3: Cross multiply
    77,766.75x = 160,440.75 × 160,440.75
  4. Step 4: Simplify right side
    77,766.75x = 25,741,234,260.56
  5. Step 5: Solve for x
    x = 25,741,234,260.56/77,766.75
  6. Step 6: Final answer
    x = 331,005.66

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.