Finding the Third Proportional to 168.75 and 222.75
Calculator
Solution
The third proportional to 168.75 and 222.75 is: 294.03
Step by Step Solution
- Step 1: Write the proportion equation
168.75 : 222.75 = 222.75 : x - Step 2: Convert to fraction form
168.75/222.75 = 222.75/x - Step 3: Cross multiply
168.75x = 222.75 × 222.75 - Step 4: Simplify right side
168.75x = 49,617.56 - Step 5: Solve for x
x = 49,617.56/168.75 - Step 6: Final answer
x = 294.03
Related Problems
Find third proportional to 84.38 and 111.38
Half scale
Find third proportional to 337.50 and 445.50
Double scale
Find third proportional to 171 and 225
Similar ratio
Find third proportional to 253.13 and 334.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.