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Finding the Third Proportional to 311,433.50 and 481,163.50

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Solution

The third proportional to 311,433.50 and 481,163.50 is: 743,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,433.50 : 481,163.50 = 481,163.50 : x
  2. Step 2: Convert to fraction form
    311,433.50/481,163.50 = 481,163.50/x
  3. Step 3: Cross multiply
    311,433.50x = 481,163.50 × 481,163.50
  4. Step 4: Simplify right side
    311,433.50x = 231,518,313,732.25
  5. Step 5: Solve for x
    x = 231,518,313,732.25/311,433.50
  6. Step 6: Final answer
    x = 743,395.66

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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.