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Finding the Third Proportional to 271 and 336.50

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Solution

The third proportional to 271 and 336.50 is: 417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271 : 336.50 = 336.50 : x
  2. Step 2: Convert to fraction form
    271/336.50 = 336.50/x
  3. Step 3: Cross multiply
    271x = 336.50 × 336.50
  4. Step 4: Simplify right side
    271x = 113,232.25
  5. Step 5: Solve for x
    x = 113,232.25/271
  6. Step 6: Final answer
    x = 417.83

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Why These Related Problems?

These problems maintain the same ratio (1.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.