Finding the Third Proportional to 394 and 534
Calculator
Solution
The third proportional to 394 and 534 is: 723.75
Step by Step Solution
- Step 1: Write the proportion equation
394 : 534 = 534 : x - Step 2: Convert to fraction form
394/534 = 534/x - Step 3: Cross multiply
394x = 534 × 534 - Step 4: Simplify right side
394x = 285,156 - Step 5: Solve for x
x = 285,156/394 - Step 6: Final answer
x = 723.75
Related Problems
Find third proportional to 197 and 267
Half scale
Find third proportional to 788 and 1,068
Double scale
Find third proportional to 396 and 537
Similar ratio
Find third proportional to 591 and 801
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.