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Finding the Third Proportional to 57,081 and 122,083.50

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Solution

The third proportional to 57,081 and 122,083.50 is: 261,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,081 : 122,083.50 = 122,083.50 : x
  2. Step 2: Convert to fraction form
    57,081/122,083.50 = 122,083.50/x
  3. Step 3: Cross multiply
    57,081x = 122,083.50 × 122,083.50
  4. Step 4: Simplify right side
    57,081x = 14,904,380,972.25
  5. Step 5: Solve for x
    x = 14,904,380,972.25/57,081
  6. Step 6: Final answer
    x = 261,109.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.