Finding the Third Proportional to 11.18 and 21.94
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Solution
The third proportional to 11.18 and 21.94 is: 43.05
Step by Step Solution
- Step 1: Write the proportion equation
11.18 : 21.94 = 21.94 : x - Step 2: Convert to fraction form
11.18/21.94 = 21.94/x - Step 3: Cross multiply
11.18x = 21.94 × 21.94 - Step 4: Simplify right side
11.18x = 481.25 - Step 5: Solve for x
x = 481.25/11.18 - Step 6: Final answer
x = 43.05
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Why These Related Problems?
These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.