Finding the Third Proportional to 905 and 1,927
Calculator
Solution
The third proportional to 905 and 1,927 is: 4,103.13
Step by Step Solution
- Step 1: Write the proportion equation
905 : 1,927 = 1,927 : x - Step 2: Convert to fraction form
905/1,927 = 1,927/x - Step 3: Cross multiply
905x = 1,927 × 1,927 - Step 4: Simplify right side
905x = 3,713,329 - Step 5: Solve for x
x = 3,713,329/905 - Step 6: Final answer
x = 4,103.13
Related Problems
Find third proportional to 452.50 and 963.50
Half scale
Find third proportional to 1,810 and 3,854
Double scale
Find third proportional to 907 and 1,931
Similar ratio
Find third proportional to 1,357.50 and 2,890.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.