Finding the Third Proportional to 631 and 993
Calculator
Solution
The third proportional to 631 and 993 is: 1,562.68
Step by Step Solution
- Step 1: Write the proportion equation
631 : 993 = 993 : x - Step 2: Convert to fraction form
631/993 = 993/x - Step 3: Cross multiply
631x = 993 × 993 - Step 4: Simplify right side
631x = 986,049 - Step 5: Solve for x
x = 986,049/631 - Step 6: Final answer
x = 1,562.68
Related Problems
Find third proportional to 315.50 and 496.50
Half scale
Find third proportional to 1,262 and 1,986
Double scale
Find third proportional to 633 and 996
Similar ratio
Find third proportional to 946.50 and 1,489.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.