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Finding the Third Proportional to 12,131.25 and 25,299.75

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Solution

The third proportional to 12,131.25 and 25,299.75 is: 52,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.25 : 25,299.75 = 25,299.75 : x
  2. Step 2: Convert to fraction form
    12,131.25/25,299.75 = 25,299.75/x
  3. Step 3: Cross multiply
    12,131.25x = 25,299.75 × 25,299.75
  4. Step 4: Simplify right side
    12,131.25x = 640,077,350.06
  5. Step 5: Solve for x
    x = 640,077,350.06/12,131.25
  6. Step 6: Final answer
    x = 52,762.69

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.