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Finding the Third Proportional to 26,842 and 57,378

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Solution

The third proportional to 26,842 and 57,378 is: 122,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842 : 57,378 = 57,378 : x
  2. Step 2: Convert to fraction form
    26,842/57,378 = 57,378/x
  3. Step 3: Cross multiply
    26,842x = 57,378 × 57,378
  4. Step 4: Simplify right side
    26,842x = 3,292,234,884
  5. Step 5: Solve for x
    x = 3,292,234,884/26,842
  6. Step 6: Final answer
    x = 122,652.37

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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.