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Finding the Third Proportional to 336 and 366.75

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Solution

The third proportional to 336 and 366.75 is: 400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 366.75 = 366.75 : x
  2. Step 2: Convert to fraction form
    336/366.75 = 366.75/x
  3. Step 3: Cross multiply
    336x = 366.75 × 366.75
  4. Step 4: Simplify right side
    336x = 134,505.56
  5. Step 5: Solve for x
    x = 134,505.56/336
  6. Step 6: Final answer
    x = 400.31

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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.