Finding the Third Proportional to 122,380.88 and 189,129.94
Calculator
Solution
The third proportional to 122,380.88 and 189,129.94 is: 292,285.32
Step by Step Solution
- Step 1: Write the proportion equation
122,380.88 : 189,129.94 = 189,129.94 : x - Step 2: Convert to fraction form
122,380.88/189,129.94 = 189,129.94/x - Step 3: Cross multiply
122,380.88x = 189,129.94 × 189,129.94 - Step 4: Simplify right side
122,380.88x = 35,770,133,258.75 - Step 5: Solve for x
x = 35,770,133,258.75/122,380.88 - Step 6: Final answer
x = 292,285.32
Related Problems
Find third proportional to 61,190.44 and 94,564.97
Half scale
Find third proportional to 244,761.75 and 378,259.88
Double scale
Find third proportional to 122,383 and 189,133
Similar ratio
Find third proportional to 183,571.31 and 283,694.91
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.