Finding the Third Proportional to 382,664 and 840,784
Calculator
Solution
The third proportional to 382,664 and 840,784 is: 1,847,358.87
Step by Step Solution
- Step 1: Write the proportion equation
382,664 : 840,784 = 840,784 : x - Step 2: Convert to fraction form
382,664/840,784 = 840,784/x - Step 3: Cross multiply
382,664x = 840,784 × 840,784 - Step 4: Simplify right side
382,664x = 706,917,734,656 - Step 5: Solve for x
x = 706,917,734,656/382,664 - Step 6: Final answer
x = 1,847,358.87
Related Problems
Find third proportional to 191,332 and 420,392
Half scale
Find third proportional to 765,328 and 1,681,568
Double scale
Find third proportional to 382,666 and 840,788
Similar ratio
Find third proportional to 573,996 and 1,261,176
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.