Finding the Third Proportional to 1,838 and 3,973
Calculator
Solution
The third proportional to 1,838 and 3,973 is: 8,587.99
Step by Step Solution
- Step 1: Write the proportion equation
1,838 : 3,973 = 3,973 : x - Step 2: Convert to fraction form
1,838/3,973 = 3,973/x - Step 3: Cross multiply
1,838x = 3,973 × 3,973 - Step 4: Simplify right side
1,838x = 15,784,729 - Step 5: Solve for x
x = 15,784,729/1,838 - Step 6: Final answer
x = 8,587.99
Related Problems
Find third proportional to 919 and 1,986.50
Half scale
Find third proportional to 3,676 and 7,946
Double scale
Find third proportional to 1,840 and 3,977
Similar ratio
Find third proportional to 2,757 and 5,959.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.