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Finding the Third Proportional to 168 and 236

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Solution

The third proportional to 168 and 236 is: 331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168 : 236 = 236 : x
  2. Step 2: Convert to fraction form
    168/236 = 236/x
  3. Step 3: Cross multiply
    168x = 236 × 236
  4. Step 4: Simplify right side
    168x = 55,696
  5. Step 5: Solve for x
    x = 55,696/168
  6. Step 6: Final answer
    x = 331.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.