Finding the Third Proportional to 80,210 and 126,156
Calculator
Solution
The third proportional to 80,210 and 126,156 is: 198,420.85
Step by Step Solution
- Step 1: Write the proportion equation
80,210 : 126,156 = 126,156 : x - Step 2: Convert to fraction form
80,210/126,156 = 126,156/x - Step 3: Cross multiply
80,210x = 126,156 × 126,156 - Step 4: Simplify right side
80,210x = 15,915,336,336 - Step 5: Solve for x
x = 15,915,336,336/80,210 - Step 6: Final answer
x = 198,420.85
Related Problems
Find third proportional to 40,105 and 63,078
Half scale
Find third proportional to 160,420 and 252,312
Double scale
Find third proportional to 80,212 and 126,159
Similar ratio
Find third proportional to 120,315 and 189,234
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.