Finding the Third Proportional to 842 and 1,963
Calculator
Solution
The third proportional to 842 and 1,963 is: 4,576.45
Step by Step Solution
- Step 1: Write the proportion equation
842 : 1,963 = 1,963 : x - Step 2: Convert to fraction form
842/1,963 = 1,963/x - Step 3: Cross multiply
842x = 1,963 × 1,963 - Step 4: Simplify right side
842x = 3,853,369 - Step 5: Solve for x
x = 3,853,369/842 - Step 6: Final answer
x = 4,576.45
Related Problems
Find third proportional to 421 and 981.50
Half scale
Find third proportional to 1,684 and 3,926
Double scale
Find third proportional to 844 and 1,968
Similar ratio
Find third proportional to 1,263 and 2,944.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.