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Finding the Third Proportional to 57,539 and 124,879

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Solution

The third proportional to 57,539 and 124,879 is: 271,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,539 : 124,879 = 124,879 : x
  2. Step 2: Convert to fraction form
    57,539/124,879 = 124,879/x
  3. Step 3: Cross multiply
    57,539x = 124,879 × 124,879
  4. Step 4: Simplify right side
    57,539x = 15,594,764,641
  5. Step 5: Solve for x
    x = 15,594,764,641/57,539
  6. Step 6: Final answer
    x = 271,029.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.