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Finding the Third Proportional to 303.94 and 676.31

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Solution

The third proportional to 303.94 and 676.31 is: 1,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.94 : 676.31 = 676.31 : x
  2. Step 2: Convert to fraction form
    303.94/676.31 = 676.31/x
  3. Step 3: Cross multiply
    303.94x = 676.31 × 676.31
  4. Step 4: Simplify right side
    303.94x = 457,398.60
  5. Step 5: Solve for x
    x = 457,398.60/303.94
  6. Step 6: Final answer
    x = 1,504.91

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.