Finding the Third Proportional to 686 and 882
Calculator
Solution
The third proportional to 686 and 882 is: 1,134
Step by Step Solution
- Step 1: Write the proportion equation
686 : 882 = 882 : x - Step 2: Convert to fraction form
686/882 = 882/x - Step 3: Cross multiply
686x = 882 × 882 - Step 4: Simplify right side
686x = 777,924 - Step 5: Solve for x
x = 777,924/686 - Step 6: Final answer
x = 1,134
Related Problems
Find third proportional to 343 and 441
Half scale
Find third proportional to 1,372 and 1,764
Double scale
Find third proportional to 688 and 885
Similar ratio
Find third proportional to 1,029 and 1,323
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.