Finding the Third Proportional to 777,831 and 1,688,448
Calculator
Solution
The third proportional to 777,831 and 1,688,448 is: 3,665,136.32
Step by Step Solution
- Step 1: Write the proportion equation
777,831 : 1,688,448 = 1,688,448 : x - Step 2: Convert to fraction form
777,831/1,688,448 = 1,688,448/x - Step 3: Cross multiply
777,831x = 1,688,448 × 1,688,448 - Step 4: Simplify right side
777,831x = 2,850,856,648,704 - Step 5: Solve for x
x = 2,850,856,648,704/777,831 - Step 6: Final answer
x = 3,665,136.32
Related Problems
Find third proportional to 388,915.50 and 844,224
Half scale
Find third proportional to 1,555,662 and 3,376,896
Double scale
Find third proportional to 777,833 and 1,688,452
Similar ratio
Find third proportional to 1,166,746.50 and 2,532,672
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.