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Finding the Third Proportional to 26,518 and 57,100

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Solution

The third proportional to 26,518 and 57,100 is: 122,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518 : 57,100 = 57,100 : x
  2. Step 2: Convert to fraction form
    26,518/57,100 = 57,100/x
  3. Step 3: Cross multiply
    26,518x = 57,100 × 57,100
  4. Step 4: Simplify right side
    26,518x = 3,260,410,000
  5. Step 5: Solve for x
    x = 3,260,410,000/26,518
  6. Step 6: Final answer
    x = 122,950.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.