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Finding the Third Proportional to 25,120.69 and 38,879.44

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Solution

The third proportional to 25,120.69 and 38,879.44 is: 60,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.69 : 38,879.44 = 38,879.44 : x
  2. Step 2: Convert to fraction form
    25,120.69/38,879.44 = 38,879.44/x
  3. Step 3: Cross multiply
    25,120.69x = 38,879.44 × 38,879.44
  4. Step 4: Simplify right side
    25,120.69x = 1,511,610,660.32
  5. Step 5: Solve for x
    x = 1,511,610,660.32/25,120.69
  6. Step 6: Final answer
    x = 60,173.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.