Finding the Third Proportional to 392,517.75 and 622,553.75
Calculator
Solution
The third proportional to 392,517.75 and 622,553.75 is: 987,402.92
Step by Step Solution
- Step 1: Write the proportion equation
392,517.75 : 622,553.75 = 622,553.75 : x - Step 2: Convert to fraction form
392,517.75/622,553.75 = 622,553.75/x - Step 3: Cross multiply
392,517.75x = 622,553.75 × 622,553.75 - Step 4: Simplify right side
392,517.75x = 387,573,171,639.06 - Step 5: Solve for x
x = 387,573,171,639.06/392,517.75 - Step 6: Final answer
x = 987,402.92
Related Problems
Find third proportional to 196,258.88 and 311,276.88
Half scale
Find third proportional to 785,035.50 and 1,245,107.50
Double scale
Find third proportional to 392,520 and 622,557
Similar ratio
Find third proportional to 588,776.63 and 933,830.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.