Finding the Third Proportional to 131,346 and 197,991
Calculator
Solution
The third proportional to 131,346 and 197,991 is: 298,451.69
Step by Step Solution
- Step 1: Write the proportion equation
131,346 : 197,991 = 197,991 : x - Step 2: Convert to fraction form
131,346/197,991 = 197,991/x - Step 3: Cross multiply
131,346x = 197,991 × 197,991 - Step 4: Simplify right side
131,346x = 39,200,436,081 - Step 5: Solve for x
x = 39,200,436,081/131,346 - Step 6: Final answer
x = 298,451.69
Related Problems
Find third proportional to 65,673 and 98,995.50
Half scale
Find third proportional to 262,692 and 395,982
Double scale
Find third proportional to 131,348 and 197,994
Similar ratio
Find third proportional to 197,019 and 296,986.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.