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Finding the Third Proportional to 156 and 236

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Solution

The third proportional to 156 and 236 is: 357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156 : 236 = 236 : x
  2. Step 2: Convert to fraction form
    156/236 = 236/x
  3. Step 3: Cross multiply
    156x = 236 × 236
  4. Step 4: Simplify right side
    156x = 55,696
  5. Step 5: Solve for x
    x = 55,696/156
  6. Step 6: Final answer
    x = 357.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.