Finding the Third Proportional to 968 and 1,921
Calculator
Solution
The third proportional to 968 and 1,921 is: 3,812.23
Step by Step Solution
- Step 1: Write the proportion equation
968 : 1,921 = 1,921 : x - Step 2: Convert to fraction form
968/1,921 = 1,921/x - Step 3: Cross multiply
968x = 1,921 × 1,921 - Step 4: Simplify right side
968x = 3,690,241 - Step 5: Solve for x
x = 3,690,241/968 - Step 6: Final answer
x = 3,812.23
Related Problems
Find third proportional to 484 and 960.50
Half scale
Find third proportional to 1,936 and 3,842
Double scale
Find third proportional to 970 and 1,925
Similar ratio
Find third proportional to 1,452 and 2,881.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.