Finding the Third Proportional to 31,814 and 43,185
Calculator
Solution
The third proportional to 31,814 and 43,185 is: 58,620.24
Step by Step Solution
- Step 1: Write the proportion equation
31,814 : 43,185 = 43,185 : x - Step 2: Convert to fraction form
31,814/43,185 = 43,185/x - Step 3: Cross multiply
31,814x = 43,185 × 43,185 - Step 4: Simplify right side
31,814x = 1,864,944,225 - Step 5: Solve for x
x = 1,864,944,225/31,814 - Step 6: Final answer
x = 58,620.24
Related Problems
Find third proportional to 15,907 and 21,592.50
Half scale
Find third proportional to 63,628 and 86,370
Double scale
Find third proportional to 31,816 and 43,188
Similar ratio
Find third proportional to 47,721 and 64,777.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.