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Finding the Third Proportional to 8,451.75 and 13,080.75

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Solution

The third proportional to 8,451.75 and 13,080.75 is: 20,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.75 : 13,080.75 = 13,080.75 : x
  2. Step 2: Convert to fraction form
    8,451.75/13,080.75 = 13,080.75/x
  3. Step 3: Cross multiply
    8,451.75x = 13,080.75 × 13,080.75
  4. Step 4: Simplify right side
    8,451.75x = 171,106,020.56
  5. Step 5: Solve for x
    x = 171,106,020.56/8,451.75
  6. Step 6: Final answer
    x = 20,245.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.