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Finding the Third Proportional to 36,321.75 and 54,480.75

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Solution

The third proportional to 36,321.75 and 54,480.75 is: 81,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.75 : 54,480.75 = 54,480.75 : x
  2. Step 2: Convert to fraction form
    36,321.75/54,480.75 = 54,480.75/x
  3. Step 3: Cross multiply
    36,321.75x = 54,480.75 × 54,480.75
  4. Step 4: Simplify right side
    36,321.75x = 2,968,152,120.56
  5. Step 5: Solve for x
    x = 2,968,152,120.56/36,321.75
  6. Step 6: Final answer
    x = 81,718.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.