Finding the Third Proportional to 49 and 131
Calculator
Solution
The third proportional to 49 and 131 is: 350.22
Step by Step Solution
- Step 1: Write the proportion equation
49 : 131 = 131 : x - Step 2: Convert to fraction form
49/131 = 131/x - Step 3: Cross multiply
49x = 131 × 131 - Step 4: Simplify right side
49x = 17,161 - Step 5: Solve for x
x = 17,161/49 - Step 6: Final answer
x = 350.22
Related Problems
Find third proportional to 24.50 and 65.50
Half scale
Find third proportional to 98 and 262
Double scale
Find third proportional to 51 and 136
Similar ratio
Find third proportional to 73.50 and 196.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.