Finding the Third Proportional to 108.50 and 162.50
Calculator
Solution
The third proportional to 108.50 and 162.50 is: 243.38
Step by Step Solution
- Step 1: Write the proportion equation
108.50 : 162.50 = 162.50 : x - Step 2: Convert to fraction form
108.50/162.50 = 162.50/x - Step 3: Cross multiply
108.50x = 162.50 × 162.50 - Step 4: Simplify right side
108.50x = 26,406.25 - Step 5: Solve for x
x = 26,406.25/108.50 - Step 6: Final answer
x = 243.38
Related Problems
Find third proportional to 54.25 and 81.25
Half scale
Find third proportional to 217 and 325
Double scale
Find third proportional to 111 and 165
Similar ratio
Find third proportional to 162.75 and 243.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.