Finding the Third Proportional to 191.75 and 434.75
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Solution
The third proportional to 191.75 and 434.75 is: 985.70
Step by Step Solution
- Step 1: Write the proportion equation
191.75 : 434.75 = 434.75 : x - Step 2: Convert to fraction form
191.75/434.75 = 434.75/x - Step 3: Cross multiply
191.75x = 434.75 × 434.75 - Step 4: Simplify right side
191.75x = 189,007.56 - Step 5: Solve for x
x = 189,007.56/191.75 - Step 6: Final answer
x = 985.70
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Why These Related Problems?
These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.