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Finding the Third Proportional to 324.75 and 464.38

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Solution

The third proportional to 324.75 and 464.38 is: 664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.75 : 464.38 = 464.38 : x
  2. Step 2: Convert to fraction form
    324.75/464.38 = 464.38/x
  3. Step 3: Cross multiply
    324.75x = 464.38 × 464.38
  4. Step 4: Simplify right side
    324.75x = 215,644.14
  5. Step 5: Solve for x
    x = 215,644.14/324.75
  6. Step 6: Final answer
    x = 664.03

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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.