Finding the Third Proportional to 1.26 and 2.99
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Solution
The third proportional to 1.26 and 2.99 is: 7.12
Step by Step Solution
- Step 1: Write the proportion equation
1.26 : 2.99 = 2.99 : x - Step 2: Convert to fraction form
1.26/2.99 = 2.99/x - Step 3: Cross multiply
1.26x = 2.99 × 2.99 - Step 4: Simplify right side
1.26x = 8.97 - Step 5: Solve for x
x = 8.97/1.26 - Step 6: Final answer
x = 7.12
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Why These Related Problems?
These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.