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Finding the Third Proportional to 26,642 and 57,439

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Solution

The third proportional to 26,642 and 57,439 is: 123,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642 : 57,439 = 57,439 : x
  2. Step 2: Convert to fraction form
    26,642/57,439 = 57,439/x
  3. Step 3: Cross multiply
    26,642x = 57,439 × 57,439
  4. Step 4: Simplify right side
    26,642x = 3,299,238,721
  5. Step 5: Solve for x
    x = 3,299,238,721/26,642
  6. Step 6: Final answer
    x = 123,836.00

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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.