Finding the Third Proportional to 838 and 1,767
Calculator
Solution
The third proportional to 838 and 1,767 is: 3,725.88
Step by Step Solution
- Step 1: Write the proportion equation
838 : 1,767 = 1,767 : x - Step 2: Convert to fraction form
838/1,767 = 1,767/x - Step 3: Cross multiply
838x = 1,767 × 1,767 - Step 4: Simplify right side
838x = 3,122,289 - Step 5: Solve for x
x = 3,122,289/838 - Step 6: Final answer
x = 3,725.88
Related Problems
Find third proportional to 419 and 883.50
Half scale
Find third proportional to 1,676 and 3,534
Double scale
Find third proportional to 840 and 1,771
Similar ratio
Find third proportional to 1,257 and 2,650.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.