Finding the Third Proportional to 993 and 2,019
Calculator
Solution
The third proportional to 993 and 2,019 is: 4,105.10
Step by Step Solution
- Step 1: Write the proportion equation
993 : 2,019 = 2,019 : x - Step 2: Convert to fraction form
993/2,019 = 2,019/x - Step 3: Cross multiply
993x = 2,019 × 2,019 - Step 4: Simplify right side
993x = 4,076,361 - Step 5: Solve for x
x = 4,076,361/993 - Step 6: Final answer
x = 4,105.10
Related Problems
Find third proportional to 496.50 and 1,009.50
Half scale
Find third proportional to 1,986 and 4,038
Double scale
Find third proportional to 995 and 2,023
Similar ratio
Find third proportional to 1,489.50 and 3,028.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.