Finding the Third Proportional to 174.75 and 197
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Solution
The third proportional to 174.75 and 197 is: 222.08
Step by Step Solution
- Step 1: Write the proportion equation
174.75 : 197 = 197 : x - Step 2: Convert to fraction form
174.75/197 = 197/x - Step 3: Cross multiply
174.75x = 197 × 197 - Step 4: Simplify right side
174.75x = 38,809 - Step 5: Solve for x
x = 38,809/174.75 - Step 6: Final answer
x = 222.08
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.