Finding the Third Proportional to 866 and 1,894
Calculator
Solution
The third proportional to 866 and 1,894 is: 4,142.30
Step by Step Solution
- Step 1: Write the proportion equation
866 : 1,894 = 1,894 : x - Step 2: Convert to fraction form
866/1,894 = 1,894/x - Step 3: Cross multiply
866x = 1,894 × 1,894 - Step 4: Simplify right side
866x = 3,587,236 - Step 5: Solve for x
x = 3,587,236/866 - Step 6: Final answer
x = 4,142.30
Related Problems
Find third proportional to 433 and 947
Half scale
Find third proportional to 1,732 and 3,788
Double scale
Find third proportional to 868 and 1,898
Similar ratio
Find third proportional to 1,299 and 2,841
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.