Finding the Third Proportional to 516,228 and 777,465.75
Calculator
Solution
The third proportional to 516,228 and 777,465.75 is: 1,170,903.15
Step by Step Solution
- Step 1: Write the proportion equation
516,228 : 777,465.75 = 777,465.75 : x - Step 2: Convert to fraction form
516,228/777,465.75 = 777,465.75/x - Step 3: Cross multiply
516,228x = 777,465.75 × 777,465.75 - Step 4: Simplify right side
516,228x = 604,452,992,423.06 - Step 5: Solve for x
x = 604,452,992,423.06/516,228 - Step 6: Final answer
x = 1,170,903.15
Related Problems
Find third proportional to 258,114 and 388,732.88
Half scale
Find third proportional to 1,032,456 and 1,554,931.50
Double scale
Find third proportional to 516,230 and 777,469
Similar ratio
Find third proportional to 774,342 and 1,166,198.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.