Finding the Third Proportional to 5.24 and 7.99
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Solution
The third proportional to 5.24 and 7.99 is: 12.20
Step by Step Solution
- Step 1: Write the proportion equation
5.24 : 7.99 = 7.99 : x - Step 2: Convert to fraction form
5.24/7.99 = 7.99/x - Step 3: Cross multiply
5.24x = 7.99 × 7.99 - Step 4: Simplify right side
5.24x = 63.89 - Step 5: Solve for x
x = 63.89/5.24 - Step 6: Final answer
x = 12.20
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.