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Finding the Third Proportional to 57,861 and 126,819

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Solution

The third proportional to 57,861 and 126,819 is: 277,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861 : 126,819 = 126,819 : x
  2. Step 2: Convert to fraction form
    57,861/126,819 = 126,819/x
  3. Step 3: Cross multiply
    57,861x = 126,819 × 126,819
  4. Step 4: Simplify right side
    57,861x = 16,083,058,761
  5. Step 5: Solve for x
    x = 16,083,058,761/57,861
  6. Step 6: Final answer
    x = 277,960.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.