Finding the Third Proportional to 393,909.75 and 608,352.19
Calculator
Solution
The third proportional to 393,909.75 and 608,352.19 is: 939,535.98
Step by Step Solution
- Step 1: Write the proportion equation
393,909.75 : 608,352.19 = 608,352.19 : x - Step 2: Convert to fraction form
393,909.75/608,352.19 = 608,352.19/x - Step 3: Cross multiply
393,909.75x = 608,352.19 × 608,352.19 - Step 4: Simplify right side
393,909.75x = 370,092,384,036.04 - Step 5: Solve for x
x = 370,092,384,036.04/393,909.75 - Step 6: Final answer
x = 939,535.98
Related Problems
Find third proportional to 196,954.88 and 304,176.09
Half scale
Find third proportional to 787,819.50 and 1,216,704.38
Double scale
Find third proportional to 393,912 and 608,355
Similar ratio
Find third proportional to 590,864.63 and 912,528.28
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.