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Finding the Third Proportional to 335.50 and 548.38

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Solution

The third proportional to 335.50 and 548.38 is: 896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.50 : 548.38 = 548.38 : x
  2. Step 2: Convert to fraction form
    335.50/548.38 = 548.38/x
  3. Step 3: Cross multiply
    335.50x = 548.38 × 548.38
  4. Step 4: Simplify right side
    335.50x = 300,715.14
  5. Step 5: Solve for x
    x = 300,715.14/335.50
  6. Step 6: Final answer
    x = 896.32

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.