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Finding the Third Proportional to 3,830.50 and 5,919.50

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Solution

The third proportional to 3,830.50 and 5,919.50 is: 9,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.50 : 5,919.50 = 5,919.50 : x
  2. Step 2: Convert to fraction form
    3,830.50/5,919.50 = 5,919.50/x
  3. Step 3: Cross multiply
    3,830.50x = 5,919.50 × 5,919.50
  4. Step 4: Simplify right side
    3,830.50x = 35,040,480.25
  5. Step 5: Solve for x
    x = 35,040,480.25/3,830.50
  6. Step 6: Final answer
    x = 9,147.76

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