Finding the Third Proportional to 74 and 116
Calculator
Solution
The third proportional to 74 and 116 is: 181.84
Step by Step Solution
- Step 1: Write the proportion equation
74 : 116 = 116 : x - Step 2: Convert to fraction form
74/116 = 116/x - Step 3: Cross multiply
74x = 116 × 116 - Step 4: Simplify right side
74x = 13,456 - Step 5: Solve for x
x = 13,456/74 - Step 6: Final answer
x = 181.84
Related Problems
Find third proportional to 37 and 58
Half scale
Find third proportional to 148 and 232
Double scale
Find third proportional to 76 and 119
Similar ratio
Find third proportional to 111 and 174
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.