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Finding the Third Proportional to 31,112.44 and 48,255.75

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Solution

The third proportional to 31,112.44 and 48,255.75 is: 74,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.44 : 48,255.75 = 48,255.75 : x
  2. Step 2: Convert to fraction form
    31,112.44/48,255.75 = 48,255.75/x
  3. Step 3: Cross multiply
    31,112.44x = 48,255.75 × 48,255.75
  4. Step 4: Simplify right side
    31,112.44x = 2,328,617,408.06
  5. Step 5: Solve for x
    x = 2,328,617,408.06/31,112.44
  6. Step 6: Final answer
    x = 74,845.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.