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Finding the Third Proportional to 335.25 and 502.80

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Solution

The third proportional to 335.25 and 502.80 is: 754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.25 : 502.80 = 502.80 : x
  2. Step 2: Convert to fraction form
    335.25/502.80 = 502.80/x
  3. Step 3: Cross multiply
    335.25x = 502.80 × 502.80
  4. Step 4: Simplify right side
    335.25x = 252,812.55
  5. Step 5: Solve for x
    x = 252,812.55/335.25
  6. Step 6: Final answer
    x = 754.10

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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.