Finding the Third Proportional to 314 and 474
Calculator
Solution
The third proportional to 314 and 474 is: 715.53
Step by Step Solution
- Step 1: Write the proportion equation
314 : 474 = 474 : x - Step 2: Convert to fraction form
314/474 = 474/x - Step 3: Cross multiply
314x = 474 × 474 - Step 4: Simplify right side
314x = 224,676 - Step 5: Solve for x
x = 224,676/314 - Step 6: Final answer
x = 715.53
Related Problems
Find third proportional to 157 and 237
Half scale
Find third proportional to 628 and 948
Double scale
Find third proportional to 316 and 477
Similar ratio
Find third proportional to 471 and 711
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.