Finding the Third Proportional to 142.50 and 181
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Solution
The third proportional to 142.50 and 181 is: 229.90
Step by Step Solution
- Step 1: Write the proportion equation
142.50 : 181 = 181 : x - Step 2: Convert to fraction form
142.50/181 = 181/x - Step 3: Cross multiply
142.50x = 181 × 181 - Step 4: Simplify right side
142.50x = 32,761 - Step 5: Solve for x
x = 32,761/142.50 - Step 6: Final answer
x = 229.90
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.