Finding the Third Proportional to 455 and 956.50
Calculator
Solution
The third proportional to 455 and 956.50 is: 2,010.75
Step by Step Solution
- Step 1: Write the proportion equation
455 : 956.50 = 956.50 : x - Step 2: Convert to fraction form
455/956.50 = 956.50/x - Step 3: Cross multiply
455x = 956.50 × 956.50 - Step 4: Simplify right side
455x = 914,892.25 - Step 5: Solve for x
x = 914,892.25/455 - Step 6: Final answer
x = 2,010.75
Related Problems
Find third proportional to 227.50 and 478.25
Half scale
Find third proportional to 910 and 1,913
Double scale
Find third proportional to 457 and 961
Similar ratio
Find third proportional to 682.50 and 1,434.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.