Finding the Third Proportional to 846 and 1,938
Calculator
Solution
The third proportional to 846 and 1,938 is: 4,439.53
Step by Step Solution
- Step 1: Write the proportion equation
846 : 1,938 = 1,938 : x - Step 2: Convert to fraction form
846/1,938 = 1,938/x - Step 3: Cross multiply
846x = 1,938 × 1,938 - Step 4: Simplify right side
846x = 3,755,844 - Step 5: Solve for x
x = 3,755,844/846 - Step 6: Final answer
x = 4,439.53
Related Problems
Find third proportional to 423 and 969
Half scale
Find third proportional to 1,692 and 3,876
Double scale
Find third proportional to 848 and 1,943
Similar ratio
Find third proportional to 1,269 and 2,907
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.