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Finding the Third Proportional to 12,408.75 and 26,761.50

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Solution

The third proportional to 12,408.75 and 26,761.50 is: 57,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.75 : 26,761.50 = 26,761.50 : x
  2. Step 2: Convert to fraction form
    12,408.75/26,761.50 = 26,761.50/x
  3. Step 3: Cross multiply
    12,408.75x = 26,761.50 × 26,761.50
  4. Step 4: Simplify right side
    12,408.75x = 716,177,882.25
  5. Step 5: Solve for x
    x = 716,177,882.25/12,408.75
  6. Step 6: Final answer
    x = 57,715.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.