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Finding the Third Proportional to 310.50 and 496.41

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Solution

The third proportional to 310.50 and 496.41 is: 793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.50 : 496.41 = 496.41 : x
  2. Step 2: Convert to fraction form
    310.50/496.41 = 496.41/x
  3. Step 3: Cross multiply
    310.50x = 496.41 × 496.41
  4. Step 4: Simplify right side
    310.50x = 246,419.17
  5. Step 5: Solve for x
    x = 246,419.17/310.50
  6. Step 6: Final answer
    x = 793.62

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.