Finding the Third Proportional to 398,589.75 and 605,265.75
Calculator
Solution
The third proportional to 398,589.75 and 605,265.75 is: 919,107.00
Step by Step Solution
- Step 1: Write the proportion equation
398,589.75 : 605,265.75 = 605,265.75 : x - Step 2: Convert to fraction form
398,589.75/605,265.75 = 605,265.75/x - Step 3: Cross multiply
398,589.75x = 605,265.75 × 605,265.75 - Step 4: Simplify right side
398,589.75x = 366,346,628,123.06 - Step 5: Solve for x
x = 366,346,628,123.06/398,589.75 - Step 6: Final answer
x = 919,107.00
Related Problems
Find third proportional to 199,294.88 and 302,632.88
Half scale
Find third proportional to 797,179.50 and 1,210,531.50
Double scale
Find third proportional to 398,592 and 605,269
Similar ratio
Find third proportional to 597,884.63 and 907,898.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.