Finding the Third Proportional to 198 and 266
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Solution
The third proportional to 198 and 266 is: 357.35
Step by Step Solution
- Step 1: Write the proportion equation
198 : 266 = 266 : x - Step 2: Convert to fraction form
198/266 = 266/x - Step 3: Cross multiply
198x = 266 × 266 - Step 4: Simplify right side
198x = 70,756 - Step 5: Solve for x
x = 70,756/198 - Step 6: Final answer
x = 357.35
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Why These Related Problems?
These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.