Finding the Third Proportional to 678,879,389 and 1,465,936,546
Calculator
Solution
The third proportional to 678,879,389 and 1,465,936,546 is: 3,165,466,490.39
Step by Step Solution
- Step 1: Write the proportion equation
678,879,389 : 1,465,936,546 = 1,465,936,546 : x - Step 2: Convert to fraction form
678,879,389/1,465,936,546 = 1,465,936,546/x - Step 3: Cross multiply
678,879,389x = 1,465,936,546 × 1,465,936,546 - Step 4: Simplify right side
678,879,389x = 2,148,969,956,898,410,240 - Step 5: Solve for x
x = 2,148,969,956,898,410,240/678,879,389 - Step 6: Final answer
x = 3,165,466,490.39
Related Problems
Find third proportional to 339,439,694.50 and 732,968,273
Half scale
Find third proportional to 1,357,758,778 and 2,931,873,092
Double scale
Find third proportional to 678,879,391 and 1,465,936,550
Similar ratio
Find third proportional to 1,018,319,083.50 and 2,198,904,819
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.