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Finding the Third Proportional to 25,218.75 and 36,640.13

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Solution

The third proportional to 25,218.75 and 36,640.13 is: 53,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.75 : 36,640.13 = 36,640.13 : x
  2. Step 2: Convert to fraction form
    25,218.75/36,640.13 = 36,640.13/x
  3. Step 3: Cross multiply
    25,218.75x = 36,640.13 × 36,640.13
  4. Step 4: Simplify right side
    25,218.75x = 1,342,498,760.02
  5. Step 5: Solve for x
    x = 1,342,498,760.02/25,218.75
  6. Step 6: Final answer
    x = 53,234.15

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.