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Finding the Third Proportional to 40,960.69 and 87,920.44

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Solution

The third proportional to 40,960.69 and 87,920.44 is: 188,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.69 : 87,920.44 = 87,920.44 : x
  2. Step 2: Convert to fraction form
    40,960.69/87,920.44 = 87,920.44/x
  3. Step 3: Cross multiply
    40,960.69x = 87,920.44 × 87,920.44
  4. Step 4: Simplify right side
    40,960.69x = 7,730,003,330.19
  5. Step 5: Solve for x
    x = 7,730,003,330.19/40,960.69
  6. Step 6: Final answer
    x = 188,717.62

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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.