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Finding the Third Proportional to 26,439 and 57,612

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Solution

The third proportional to 26,439 and 57,612 is: 125,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439 : 57,612 = 57,612 : x
  2. Step 2: Convert to fraction form
    26,439/57,612 = 57,612/x
  3. Step 3: Cross multiply
    26,439x = 57,612 × 57,612
  4. Step 4: Simplify right side
    26,439x = 3,319,142,544
  5. Step 5: Solve for x
    x = 3,319,142,544/26,439
  6. Step 6: Final answer
    x = 125,539.64

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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.