Finding the Third Proportional to 81,942 and 125,100
Calculator
Solution
The third proportional to 81,942 and 125,100 is: 190,988.87
Step by Step Solution
- Step 1: Write the proportion equation
81,942 : 125,100 = 125,100 : x - Step 2: Convert to fraction form
81,942/125,100 = 125,100/x - Step 3: Cross multiply
81,942x = 125,100 × 125,100 - Step 4: Simplify right side
81,942x = 15,650,010,000 - Step 5: Solve for x
x = 15,650,010,000/81,942 - Step 6: Final answer
x = 190,988.87
Related Problems
Find third proportional to 40,971 and 62,550
Half scale
Find third proportional to 163,884 and 250,200
Double scale
Find third proportional to 81,944 and 125,103
Similar ratio
Find third proportional to 122,913 and 187,650
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.