Finding the Third Proportional to 854 and 1,931
Calculator
Solution
The third proportional to 854 and 1,931 is: 4,366.23
Step by Step Solution
- Step 1: Write the proportion equation
854 : 1,931 = 1,931 : x - Step 2: Convert to fraction form
854/1,931 = 1,931/x - Step 3: Cross multiply
854x = 1,931 × 1,931 - Step 4: Simplify right side
854x = 3,728,761 - Step 5: Solve for x
x = 3,728,761/854 - Step 6: Final answer
x = 4,366.23
Related Problems
Find third proportional to 427 and 965.50
Half scale
Find third proportional to 1,708 and 3,862
Double scale
Find third proportional to 856 and 1,936
Similar ratio
Find third proportional to 1,281 and 2,896.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.