Finding the Third Proportional to 195 and 219.50
Calculator
Solution
The third proportional to 195 and 219.50 is: 247.08
Step by Step Solution
- Step 1: Write the proportion equation
195 : 219.50 = 219.50 : x - Step 2: Convert to fraction form
195/219.50 = 219.50/x - Step 3: Cross multiply
195x = 219.50 × 219.50 - Step 4: Simplify right side
195x = 48,180.25 - Step 5: Solve for x
x = 48,180.25/195 - Step 6: Final answer
x = 247.08
Related Problems
Find third proportional to 97.50 and 109.75
Half scale
Find third proportional to 390 and 439
Double scale
Find third proportional to 197 and 222
Similar ratio
Find third proportional to 292.50 and 329.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.