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Finding the Third Proportional to 48,878 and 74,198

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Solution

The third proportional to 48,878 and 74,198 is: 112,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878 : 74,198 = 74,198 : x
  2. Step 2: Convert to fraction form
    48,878/74,198 = 74,198/x
  3. Step 3: Cross multiply
    48,878x = 74,198 × 74,198
  4. Step 4: Simplify right side
    48,878x = 5,505,343,204
  5. Step 5: Solve for x
    x = 5,505,343,204/48,878
  6. Step 6: Final answer
    x = 112,634.38

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.