Finding the Third Proportional to 397 and 450
Calculator
Solution
The third proportional to 397 and 450 is: 510.08
Step by Step Solution
- Step 1: Write the proportion equation
397 : 450 = 450 : x - Step 2: Convert to fraction form
397/450 = 450/x - Step 3: Cross multiply
397x = 450 × 450 - Step 4: Simplify right side
397x = 202,500 - Step 5: Solve for x
x = 202,500/397 - Step 6: Final answer
x = 510.08
Related Problems
Find third proportional to 198.50 and 225
Half scale
Find third proportional to 794 and 900
Double scale
Find third proportional to 399 and 452
Similar ratio
Find third proportional to 595.50 and 675
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.