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Finding the Third Proportional to 18,749.25 and 39,606.75

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Solution

The third proportional to 18,749.25 and 39,606.75 is: 83,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.25 : 39,606.75 = 39,606.75 : x
  2. Step 2: Convert to fraction form
    18,749.25/39,606.75 = 39,606.75/x
  3. Step 3: Cross multiply
    18,749.25x = 39,606.75 × 39,606.75
  4. Step 4: Simplify right side
    18,749.25x = 1,568,694,645.56
  5. Step 5: Solve for x
    x = 1,568,694,645.56/18,749.25
  6. Step 6: Final answer
    x = 83,667.06

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.