Finding the Third Proportional to 120,635 and 254,878
Calculator
Solution
The third proportional to 120,635 and 254,878 is: 538,507.02
Step by Step Solution
- Step 1: Write the proportion equation
120,635 : 254,878 = 254,878 : x - Step 2: Convert to fraction form
120,635/254,878 = 254,878/x - Step 3: Cross multiply
120,635x = 254,878 × 254,878 - Step 4: Simplify right side
120,635x = 64,962,794,884 - Step 5: Solve for x
x = 64,962,794,884/120,635 - Step 6: Final answer
x = 538,507.02
Related Problems
Find third proportional to 60,317.50 and 127,439
Half scale
Find third proportional to 241,270 and 509,756
Double scale
Find third proportional to 120,637 and 254,882
Similar ratio
Find third proportional to 180,952.50 and 382,317
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.