Finding the Third Proportional to 149,728 and 321,362
Calculator
Solution
The third proportional to 149,728 and 321,362 is: 689,740.96
Step by Step Solution
- Step 1: Write the proportion equation
149,728 : 321,362 = 321,362 : x - Step 2: Convert to fraction form
149,728/321,362 = 321,362/x - Step 3: Cross multiply
149,728x = 321,362 × 321,362 - Step 4: Simplify right side
149,728x = 103,273,535,044 - Step 5: Solve for x
x = 103,273,535,044/149,728 - Step 6: Final answer
x = 689,740.96
Related Problems
Find third proportional to 74,864 and 160,681
Half scale
Find third proportional to 299,456 and 642,724
Double scale
Find third proportional to 149,730 and 321,366
Similar ratio
Find third proportional to 224,592 and 482,043
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.