Finding the Third Proportional to 193.50 and 272.25
Calculator
Solution
The third proportional to 193.50 and 272.25 is: 383.05
Step by Step Solution
- Step 1: Write the proportion equation
193.50 : 272.25 = 272.25 : x - Step 2: Convert to fraction form
193.50/272.25 = 272.25/x - Step 3: Cross multiply
193.50x = 272.25 × 272.25 - Step 4: Simplify right side
193.50x = 74,120.06 - Step 5: Solve for x
x = 74,120.06/193.50 - Step 6: Final answer
x = 383.05
Related Problems
Find third proportional to 96.75 and 136.13
Half scale
Find third proportional to 387 and 544.50
Double scale
Find third proportional to 196 and 275
Similar ratio
Find third proportional to 290.25 and 408.38
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.