Finding the Third Proportional to 826.88 and 1,791
Calculator
Solution
The third proportional to 826.88 and 1,791 is: 3,879.28
Step by Step Solution
- Step 1: Write the proportion equation
826.88 : 1,791 = 1,791 : x - Step 2: Convert to fraction form
826.88/1,791 = 1,791/x - Step 3: Cross multiply
826.88x = 1,791 × 1,791 - Step 4: Simplify right side
826.88x = 3,207,681 - Step 5: Solve for x
x = 3,207,681/826.88 - Step 6: Final answer
x = 3,879.28
Related Problems
Find third proportional to 413.44 and 895.50
Half scale
Find third proportional to 1,653.75 and 3,582
Double scale
Find third proportional to 829 and 1,795
Similar ratio
Find third proportional to 1,240.31 and 2,686.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.