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Finding the Third Proportional to 26,878 and 55,114

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Solution

The third proportional to 26,878 and 55,114 is: 113,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878 : 55,114 = 55,114 : x
  2. Step 2: Convert to fraction form
    26,878/55,114 = 55,114/x
  3. Step 3: Cross multiply
    26,878x = 55,114 × 55,114
  4. Step 4: Simplify right side
    26,878x = 3,037,552,996
  5. Step 5: Solve for x
    x = 3,037,552,996/26,878
  6. Step 6: Final answer
    x = 113,012.61

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.