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Finding the Third Proportional to 57,821 and 126,226

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Solution

The third proportional to 57,821 and 126,226 is: 275,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821 : 126,226 = 126,226 : x
  2. Step 2: Convert to fraction form
    57,821/126,226 = 126,226/x
  3. Step 3: Cross multiply
    57,821x = 126,226 × 126,226
  4. Step 4: Simplify right side
    57,821x = 15,933,003,076
  5. Step 5: Solve for x
    x = 15,933,003,076/57,821
  6. Step 6: Final answer
    x = 275,557.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.