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Finding the Third Proportional to 3,077.25 and 4,879.88

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Solution

The third proportional to 3,077.25 and 4,879.88 is: 7,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.25 : 4,879.88 = 4,879.88 : x
  2. Step 2: Convert to fraction form
    3,077.25/4,879.88 = 4,879.88/x
  3. Step 3: Cross multiply
    3,077.25x = 4,879.88 × 4,879.88
  4. Step 4: Simplify right side
    3,077.25x = 23,813,180.02
  5. Step 5: Solve for x
    x = 23,813,180.02/3,077.25
  6. Step 6: Final answer
    x = 7,738.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.