Finding the Third Proportional to 171.50 and 201.50
Calculator
Solution
The third proportional to 171.50 and 201.50 is: 236.75
Step by Step Solution
- Step 1: Write the proportion equation
171.50 : 201.50 = 201.50 : x - Step 2: Convert to fraction form
171.50/201.50 = 201.50/x - Step 3: Cross multiply
171.50x = 201.50 × 201.50 - Step 4: Simplify right side
171.50x = 40,602.25 - Step 5: Solve for x
x = 40,602.25/171.50 - Step 6: Final answer
x = 236.75
Related Problems
Find third proportional to 85.75 and 100.75
Half scale
Find third proportional to 343 and 403
Double scale
Find third proportional to 174 and 204
Similar ratio
Find third proportional to 257.25 and 302.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.