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Finding the Third Proportional to 324 and 352

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Solution

The third proportional to 324 and 352 is: 382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    324 : 352 = 352 : x
  2. Step 2: Convert to fraction form
    324/352 = 352/x
  3. Step 3: Cross multiply
    324x = 352 × 352
  4. Step 4: Simplify right side
    324x = 123,904
  5. Step 5: Solve for x
    x = 123,904/324
  6. Step 6: Final answer
    x = 382.42

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.