Finding the Third Proportional to 486,357.75 and 776,965.50
Calculator
Solution
The third proportional to 486,357.75 and 776,965.50 is: 1,241,216.75
Step by Step Solution
- Step 1: Write the proportion equation
486,357.75 : 776,965.50 = 776,965.50 : x - Step 2: Convert to fraction form
486,357.75/776,965.50 = 776,965.50/x - Step 3: Cross multiply
486,357.75x = 776,965.50 × 776,965.50 - Step 4: Simplify right side
486,357.75x = 603,675,388,190.25 - Step 5: Solve for x
x = 603,675,388,190.25/486,357.75 - Step 6: Final answer
x = 1,241,216.75
Related Problems
Find third proportional to 243,178.88 and 388,482.75
Half scale
Find third proportional to 972,715.50 and 1,553,931
Double scale
Find third proportional to 486,360 and 776,969
Similar ratio
Find third proportional to 729,536.63 and 1,165,448.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.