Finding the Third Proportional to 31,800 and 41,828
Calculator
Solution
The third proportional to 31,800 and 41,828 is: 55,018.29
Step by Step Solution
- Step 1: Write the proportion equation
31,800 : 41,828 = 41,828 : x - Step 2: Convert to fraction form
31,800/41,828 = 41,828/x - Step 3: Cross multiply
31,800x = 41,828 × 41,828 - Step 4: Simplify right side
31,800x = 1,749,581,584 - Step 5: Solve for x
x = 1,749,581,584/31,800 - Step 6: Final answer
x = 55,018.29
Related Problems
Find third proportional to 15,900 and 20,914
Half scale
Find third proportional to 63,600 and 83,656
Double scale
Find third proportional to 31,802 and 41,831
Similar ratio
Find third proportional to 47,700 and 62,742
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.