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Finding the Third Proportional to 333 and 475.31

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Solution

The third proportional to 333 and 475.31 is: 678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 475.31 = 475.31 : x
  2. Step 2: Convert to fraction form
    333/475.31 = 475.31/x
  3. Step 3: Cross multiply
    333x = 475.31 × 475.31
  4. Step 4: Simplify right side
    333x = 225,921.97
  5. Step 5: Solve for x
    x = 225,921.97/333
  6. Step 6: Final answer
    x = 678.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.