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Finding the Third Proportional to 334.75 and 364.75

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Solution

The third proportional to 334.75 and 364.75 is: 397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.75 : 364.75 = 364.75 : x
  2. Step 2: Convert to fraction form
    334.75/364.75 = 364.75/x
  3. Step 3: Cross multiply
    334.75x = 364.75 × 364.75
  4. Step 4: Simplify right side
    334.75x = 133,042.56
  5. Step 5: Solve for x
    x = 133,042.56/334.75
  6. Step 6: Final answer
    x = 397.44

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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.