Finding the Third Proportional to 324 and 474
Calculator
Solution
The third proportional to 324 and 474 is: 693.44
Step by Step Solution
- Step 1: Write the proportion equation
324 : 474 = 474 : x - Step 2: Convert to fraction form
324/474 = 474/x - Step 3: Cross multiply
324x = 474 × 474 - Step 4: Simplify right side
324x = 224,676 - Step 5: Solve for x
x = 224,676/324 - Step 6: Final answer
x = 693.44
Related Problems
Find third proportional to 162 and 237
Half scale
Find third proportional to 648 and 948
Double scale
Find third proportional to 326 and 477
Similar ratio
Find third proportional to 486 and 711
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.