Finding the Third Proportional to 178,954 and 389,876
Calculator
Solution
The third proportional to 178,954 and 389,876 is: 849,398.70
Step by Step Solution
- Step 1: Write the proportion equation
178,954 : 389,876 = 389,876 : x - Step 2: Convert to fraction form
178,954/389,876 = 389,876/x - Step 3: Cross multiply
178,954x = 389,876 × 389,876 - Step 4: Simplify right side
178,954x = 152,003,295,376 - Step 5: Solve for x
x = 152,003,295,376/178,954 - Step 6: Final answer
x = 849,398.70
Related Problems
Find third proportional to 89,477 and 194,938
Half scale
Find third proportional to 357,908 and 779,752
Double scale
Find third proportional to 178,956 and 389,880
Similar ratio
Find third proportional to 268,431 and 584,814
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.