Finding the Third Proportional to 185 and 393
Calculator
Solution
The third proportional to 185 and 393 is: 834.86
Step by Step Solution
- Step 1: Write the proportion equation
185 : 393 = 393 : x - Step 2: Convert to fraction form
185/393 = 393/x - Step 3: Cross multiply
185x = 393 × 393 - Step 4: Simplify right side
185x = 154,449 - Step 5: Solve for x
x = 154,449/185 - Step 6: Final answer
x = 834.86
Related Problems
Find third proportional to 92.50 and 196.50
Half scale
Find third proportional to 370 and 786
Double scale
Find third proportional to 187 and 397
Similar ratio
Find third proportional to 277.50 and 589.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.