Finding the Third Proportional to 120,366 and 260,820
Calculator
Solution
The third proportional to 120,366 and 260,820 is: 565,168.51
Step by Step Solution
- Step 1: Write the proportion equation
120,366 : 260,820 = 260,820 : x - Step 2: Convert to fraction form
120,366/260,820 = 260,820/x - Step 3: Cross multiply
120,366x = 260,820 × 260,820 - Step 4: Simplify right side
120,366x = 68,027,072,400 - Step 5: Solve for x
x = 68,027,072,400/120,366 - Step 6: Final answer
x = 565,168.51
Related Problems
Find third proportional to 60,183 and 130,410
Half scale
Find third proportional to 240,732 and 521,640
Double scale
Find third proportional to 120,368 and 260,824
Similar ratio
Find third proportional to 180,549 and 391,230
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.