Finding the Third Proportional to 4.11 and 8.99
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Solution
The third proportional to 4.11 and 8.99 is: 19.63
Step by Step Solution
- Step 1: Write the proportion equation
4.11 : 8.99 = 8.99 : x - Step 2: Convert to fraction form
4.11/8.99 = 8.99/x - Step 3: Cross multiply
4.11x = 8.99 × 8.99 - Step 4: Simplify right side
4.11x = 80.78 - Step 5: Solve for x
x = 80.78/4.11 - Step 6: Final answer
x = 19.63
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.