Finding the Third Proportional to 836 and 1,160
Calculator
Solution
The third proportional to 836 and 1,160 is: 1,609.57
Step by Step Solution
- Step 1: Write the proportion equation
836 : 1,160 = 1,160 : x - Step 2: Convert to fraction form
836/1,160 = 1,160/x - Step 3: Cross multiply
836x = 1,160 × 1,160 - Step 4: Simplify right side
836x = 1,345,600 - Step 5: Solve for x
x = 1,345,600/836 - Step 6: Final answer
x = 1,609.57
Related Problems
Find third proportional to 418 and 580
Half scale
Find third proportional to 1,672 and 2,320
Double scale
Find third proportional to 838 and 1,163
Similar ratio
Find third proportional to 1,254 and 1,740
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.