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Finding the Third Proportional to 335.50 and 503.75

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Solution

The third proportional to 335.50 and 503.75 is: 756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.50 : 503.75 = 503.75 : x
  2. Step 2: Convert to fraction form
    335.50/503.75 = 503.75/x
  3. Step 3: Cross multiply
    335.50x = 503.75 × 503.75
  4. Step 4: Simplify right side
    335.50x = 253,764.06
  5. Step 5: Solve for x
    x = 253,764.06/335.50
  6. Step 6: Final answer
    x = 756.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.