Finding the Third Proportional to 436,640.50 and 694,323.75
Calculator
Solution
The third proportional to 436,640.50 and 694,323.75 is: 1,104,078.69
Step by Step Solution
- Step 1: Write the proportion equation
436,640.50 : 694,323.75 = 694,323.75 : x - Step 2: Convert to fraction form
436,640.50/694,323.75 = 694,323.75/x - Step 3: Cross multiply
436,640.50x = 694,323.75 × 694,323.75 - Step 4: Simplify right side
436,640.50x = 482,085,469,814.06 - Step 5: Solve for x
x = 482,085,469,814.06/436,640.50 - Step 6: Final answer
x = 1,104,078.69
Related Problems
Find third proportional to 218,320.25 and 347,161.88
Half scale
Find third proportional to 873,281 and 1,388,647.50
Double scale
Find third proportional to 436,643 and 694,327
Similar ratio
Find third proportional to 654,960.75 and 1,041,485.63
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.