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Finding the Third Proportional to 20,520.75 and 33,504.75

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Solution

The third proportional to 20,520.75 and 33,504.75 is: 54,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,520.75 : 33,504.75 = 33,504.75 : x
  2. Step 2: Convert to fraction form
    20,520.75/33,504.75 = 33,504.75/x
  3. Step 3: Cross multiply
    20,520.75x = 33,504.75 × 33,504.75
  4. Step 4: Simplify right side
    20,520.75x = 1,122,568,272.56
  5. Step 5: Solve for x
    x = 1,122,568,272.56/20,520.75
  6. Step 6: Final answer
    x = 54,704.06

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.