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Finding the Third Proportional to 20,394.75 and 43,236.75

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Solution

The third proportional to 20,394.75 and 43,236.75 is: 91,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.75 : 43,236.75 = 43,236.75 : x
  2. Step 2: Convert to fraction form
    20,394.75/43,236.75 = 43,236.75/x
  3. Step 3: Cross multiply
    20,394.75x = 43,236.75 × 43,236.75
  4. Step 4: Simplify right side
    20,394.75x = 1,869,416,550.56
  5. Step 5: Solve for x
    x = 1,869,416,550.56/20,394.75
  6. Step 6: Final answer
    x = 91,661.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.