Finding the Third Proportional to 158 and 171
Calculator
Solution
The third proportional to 158 and 171 is: 185.07
Step by Step Solution
- Step 1: Write the proportion equation
158 : 171 = 171 : x - Step 2: Convert to fraction form
158/171 = 171/x - Step 3: Cross multiply
158x = 171 × 171 - Step 4: Simplify right side
158x = 29,241 - Step 5: Solve for x
x = 29,241/158 - Step 6: Final answer
x = 185.07
Related Problems
Find third proportional to 79 and 85.50
Half scale
Find third proportional to 316 and 342
Double scale
Find third proportional to 160 and 173
Similar ratio
Find third proportional to 237 and 256.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.