Finding the Third Proportional to 300,880 and 640,744
Calculator
Solution
The third proportional to 300,880 and 640,744 is: 1,364,507.02
Step by Step Solution
- Step 1: Write the proportion equation
300,880 : 640,744 = 640,744 : x - Step 2: Convert to fraction form
300,880/640,744 = 640,744/x - Step 3: Cross multiply
300,880x = 640,744 × 640,744 - Step 4: Simplify right side
300,880x = 410,552,873,536 - Step 5: Solve for x
x = 410,552,873,536/300,880 - Step 6: Final answer
x = 1,364,507.02
Related Problems
Find third proportional to 150,440 and 320,372
Half scale
Find third proportional to 601,760 and 1,281,488
Double scale
Find third proportional to 300,882 and 640,748
Similar ratio
Find third proportional to 451,320 and 961,116
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.