Finding the Third Proportional to 405 and 951
Calculator
Solution
The third proportional to 405 and 951 is: 2,233.09
Step by Step Solution
- Step 1: Write the proportion equation
405 : 951 = 951 : x - Step 2: Convert to fraction form
405/951 = 951/x - Step 3: Cross multiply
405x = 951 × 951 - Step 4: Simplify right side
405x = 904,401 - Step 5: Solve for x
x = 904,401/405 - Step 6: Final answer
x = 2,233.09
Related Problems
Find third proportional to 202.50 and 475.50
Half scale
Find third proportional to 810 and 1,902
Double scale
Find third proportional to 407 and 956
Similar ratio
Find third proportional to 607.50 and 1,426.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.