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Finding the Third Proportional to 18,766.69 and 40,778.44

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Solution

The third proportional to 18,766.69 and 40,778.44 is: 88,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.69 : 40,778.44 = 40,778.44 : x
  2. Step 2: Convert to fraction form
    18,766.69/40,778.44 = 40,778.44/x
  3. Step 3: Cross multiply
    18,766.69x = 40,778.44 × 40,778.44
  4. Step 4: Simplify right side
    18,766.69x = 1,662,880,964.94
  5. Step 5: Solve for x
    x = 1,662,880,964.94/18,766.69
  6. Step 6: Final answer
    x = 88,608.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.