Finding the Third Proportional to 7,998,809 and 12,880,718
Calculator
Solution
The third proportional to 7,998,809 and 12,880,718 is: 20,742,200.02
Step by Step Solution
- Step 1: Write the proportion equation
7,998,809 : 12,880,718 = 12,880,718 : x - Step 2: Convert to fraction form
7,998,809/12,880,718 = 12,880,718/x - Step 3: Cross multiply
7,998,809x = 12,880,718 × 12,880,718 - Step 4: Simplify right side
7,998,809x = 165,912,896,195,524 - Step 5: Solve for x
x = 165,912,896,195,524/7,998,809 - Step 6: Final answer
x = 20,742,200.02
Related Problems
Find third proportional to 3,999,404.50 and 6,440,359
Half scale
Find third proportional to 15,997,618 and 25,761,436
Double scale
Find third proportional to 7,998,811 and 12,880,721
Similar ratio
Find third proportional to 11,998,213.50 and 19,321,077
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.