Finding the Third Proportional to 516 and 1,055
Calculator
Solution
The third proportional to 516 and 1,055 is: 2,157.03
Step by Step Solution
- Step 1: Write the proportion equation
516 : 1,055 = 1,055 : x - Step 2: Convert to fraction form
516/1,055 = 1,055/x - Step 3: Cross multiply
516x = 1,055 × 1,055 - Step 4: Simplify right side
516x = 1,113,025 - Step 5: Solve for x
x = 1,113,025/516 - Step 6: Final answer
x = 2,157.03
Related Problems
Find third proportional to 258 and 527.50
Half scale
Find third proportional to 1,032 and 2,110
Double scale
Find third proportional to 518 and 1,059
Similar ratio
Find third proportional to 774 and 1,582.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.