Finding the Third Proportional to 798 and 1,740
Calculator
Solution
The third proportional to 798 and 1,740 is: 3,793.98
Step by Step Solution
- Step 1: Write the proportion equation
798 : 1,740 = 1,740 : x - Step 2: Convert to fraction form
798/1,740 = 1,740/x - Step 3: Cross multiply
798x = 1,740 × 1,740 - Step 4: Simplify right side
798x = 3,027,600 - Step 5: Solve for x
x = 3,027,600/798 - Step 6: Final answer
x = 3,793.98
Related Problems
Find third proportional to 399 and 870
Half scale
Find third proportional to 1,596 and 3,480
Double scale
Find third proportional to 800 and 1,744
Similar ratio
Find third proportional to 1,197 and 2,610
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.