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Finding the Third Proportional to 26,515 and 57,181

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Solution

The third proportional to 26,515 and 57,181 is: 123,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515 : 57,181 = 57,181 : x
  2. Step 2: Convert to fraction form
    26,515/57,181 = 57,181/x
  3. Step 3: Cross multiply
    26,515x = 57,181 × 57,181
  4. Step 4: Simplify right side
    26,515x = 3,269,666,761
  5. Step 5: Solve for x
    x = 3,269,666,761/26,515
  6. Step 6: Final answer
    x = 123,313.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.