Finding the Third Proportional to 486 and 1,162
Calculator
Solution
The third proportional to 486 and 1,162 is: 2,778.28
Step by Step Solution
- Step 1: Write the proportion equation
486 : 1,162 = 1,162 : x - Step 2: Convert to fraction form
486/1,162 = 1,162/x - Step 3: Cross multiply
486x = 1,162 × 1,162 - Step 4: Simplify right side
486x = 1,350,244 - Step 5: Solve for x
x = 1,350,244/486 - Step 6: Final answer
x = 2,778.28
Related Problems
Find third proportional to 243 and 581
Half scale
Find third proportional to 972 and 2,324
Double scale
Find third proportional to 488 and 1,167
Similar ratio
Find third proportional to 729 and 1,743
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.