Finding the Third Proportional to 389,170 and 854,960
Calculator
Solution
The third proportional to 389,170 and 854,960 is: 1,878,244.99
Step by Step Solution
- Step 1: Write the proportion equation
389,170 : 854,960 = 854,960 : x - Step 2: Convert to fraction form
389,170/854,960 = 854,960/x - Step 3: Cross multiply
389,170x = 854,960 × 854,960 - Step 4: Simplify right side
389,170x = 730,956,601,600 - Step 5: Solve for x
x = 730,956,601,600/389,170 - Step 6: Final answer
x = 1,878,244.99
Related Problems
Find third proportional to 194,585 and 427,480
Half scale
Find third proportional to 778,340 and 1,709,920
Double scale
Find third proportional to 389,172 and 854,964
Similar ratio
Find third proportional to 583,755 and 1,282,440
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.