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Finding the Third Proportional to 20,919.75 and 44,963.25

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Solution

The third proportional to 20,919.75 and 44,963.25 is: 96,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,919.75 : 44,963.25 = 44,963.25 : x
  2. Step 2: Convert to fraction form
    20,919.75/44,963.25 = 44,963.25/x
  3. Step 3: Cross multiply
    20,919.75x = 44,963.25 × 44,963.25
  4. Step 4: Simplify right side
    20,919.75x = 2,021,693,850.56
  5. Step 5: Solve for x
    x = 2,021,693,850.56/20,919.75
  6. Step 6: Final answer
    x = 96,640.44

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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.