Finding the Third Proportional to 579 and 1,074
Calculator
Solution
The third proportional to 579 and 1,074 is: 1,992.19
Step by Step Solution
- Step 1: Write the proportion equation
579 : 1,074 = 1,074 : x - Step 2: Convert to fraction form
579/1,074 = 1,074/x - Step 3: Cross multiply
579x = 1,074 × 1,074 - Step 4: Simplify right side
579x = 1,153,476 - Step 5: Solve for x
x = 1,153,476/579 - Step 6: Final answer
x = 1,992.19
Related Problems
Find third proportional to 289.50 and 537
Half scale
Find third proportional to 1,158 and 2,148
Double scale
Find third proportional to 581 and 1,078
Similar ratio
Find third proportional to 868.50 and 1,611
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.