Finding the Third Proportional to 328,974,570 and 722,509,774
Calculator
Solution
The third proportional to 328,974,570 and 722,509,774 is: 1,586,810,717.70
Step by Step Solution
- Step 1: Write the proportion equation
328,974,570 : 722,509,774 = 722,509,774 : x - Step 2: Convert to fraction form
328,974,570/722,509,774 = 722,509,774/x - Step 3: Cross multiply
328,974,570x = 722,509,774 × 722,509,774 - Step 4: Simplify right side
328,974,570x = 522,020,373,525,531,072 - Step 5: Solve for x
x = 522,020,373,525,531,072/328,974,570 - Step 6: Final answer
x = 1,586,810,717.70
Related Problems
Find third proportional to 164,487,285 and 361,254,887
Half scale
Find third proportional to 657,949,140 and 1,445,019,548
Double scale
Find third proportional to 328,974,572 and 722,509,778
Similar ratio
Find third proportional to 493,461,855 and 1,083,764,661
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.