Finding the Third Proportional to 98.50 and 197
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Solution
The third proportional to 98.50 and 197 is: 394
Step by Step Solution
- Step 1: Write the proportion equation
98.50 : 197 = 197 : x - Step 2: Convert to fraction form
98.50/197 = 197/x - Step 3: Cross multiply
98.50x = 197 × 197 - Step 4: Simplify right side
98.50x = 38,809 - Step 5: Solve for x
x = 38,809/98.50 - Step 6: Final answer
x = 394
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.