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Finding the Third Proportional to 39,434 and 60,879

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Solution

The third proportional to 39,434 and 60,879 is: 93,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434 : 60,879 = 60,879 : x
  2. Step 2: Convert to fraction form
    39,434/60,879 = 60,879/x
  3. Step 3: Cross multiply
    39,434x = 60,879 × 60,879
  4. Step 4: Simplify right side
    39,434x = 3,706,252,641
  5. Step 5: Solve for x
    x = 3,706,252,641/39,434
  6. Step 6: Final answer
    x = 93,986.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.