Finding the Third Proportional to 429,891.75 and 910,986.75
Calculator
Solution
The third proportional to 429,891.75 and 910,986.75 is: 1,930,478.68
Step by Step Solution
- Step 1: Write the proportion equation
429,891.75 : 910,986.75 = 910,986.75 : x - Step 2: Convert to fraction form
429,891.75/910,986.75 = 910,986.75/x - Step 3: Cross multiply
429,891.75x = 910,986.75 × 910,986.75 - Step 4: Simplify right side
429,891.75x = 829,896,858,675.56 - Step 5: Solve for x
x = 829,896,858,675.56/429,891.75 - Step 6: Final answer
x = 1,930,478.68
Related Problems
Find third proportional to 214,945.88 and 455,493.38
Half scale
Find third proportional to 859,783.50 and 1,821,973.50
Double scale
Find third proportional to 429,894 and 910,991
Similar ratio
Find third proportional to 644,837.63 and 1,366,480.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.