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Finding the Third Proportional to 21,940.88 and 48,255.75

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Solution

The third proportional to 21,940.88 and 48,255.75 is: 106,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.88 : 48,255.75 = 48,255.75 : x
  2. Step 2: Convert to fraction form
    21,940.88/48,255.75 = 48,255.75/x
  3. Step 3: Cross multiply
    21,940.88x = 48,255.75 × 48,255.75
  4. Step 4: Simplify right side
    21,940.88x = 2,328,617,408.06
  5. Step 5: Solve for x
    x = 2,328,617,408.06/21,940.88
  6. Step 6: Final answer
    x = 106,131.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.