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Finding the Third Proportional to 154 and 236

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Solution

The third proportional to 154 and 236 is: 361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154 : 236 = 236 : x
  2. Step 2: Convert to fraction form
    154/236 = 236/x
  3. Step 3: Cross multiply
    154x = 236 × 236
  4. Step 4: Simplify right side
    154x = 55,696
  5. Step 5: Solve for x
    x = 55,696/154
  6. Step 6: Final answer
    x = 361.66

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.