Finding the Third Proportional to 154,239.75 and 328,119.75
Calculator
Solution
The third proportional to 154,239.75 and 328,119.75 is: 698,020.91
Step by Step Solution
- Step 1: Write the proportion equation
154,239.75 : 328,119.75 = 328,119.75 : x - Step 2: Convert to fraction form
154,239.75/328,119.75 = 328,119.75/x - Step 3: Cross multiply
154,239.75x = 328,119.75 × 328,119.75 - Step 4: Simplify right side
154,239.75x = 107,662,570,340.06 - Step 5: Solve for x
x = 107,662,570,340.06/154,239.75 - Step 6: Final answer
x = 698,020.91
Related Problems
Find third proportional to 77,119.88 and 164,059.88
Half scale
Find third proportional to 308,479.50 and 656,239.50
Double scale
Find third proportional to 154,242 and 328,124
Similar ratio
Find third proportional to 231,359.63 and 492,179.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.