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Finding the Third Proportional to 36,672.75 and 80,091

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Solution

The third proportional to 36,672.75 and 80,091 is: 174,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.75 : 80,091 = 80,091 : x
  2. Step 2: Convert to fraction form
    36,672.75/80,091 = 80,091/x
  3. Step 3: Cross multiply
    36,672.75x = 80,091 × 80,091
  4. Step 4: Simplify right side
    36,672.75x = 6,414,568,281
  5. Step 5: Solve for x
    x = 6,414,568,281/36,672.75
  6. Step 6: Final answer
    x = 174,913.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.