Finding the Third Proportional to 18,867,938 and 40,426,705
Calculator
Solution
The third proportional to 18,867,938 and 40,426,705 is: 86,618,817.44
Step by Step Solution
- Step 1: Write the proportion equation
18,867,938 : 40,426,705 = 40,426,705 : x - Step 2: Convert to fraction form
18,867,938/40,426,705 = 40,426,705/x - Step 3: Cross multiply
18,867,938x = 40,426,705 × 40,426,705 - Step 4: Simplify right side
18,867,938x = 1,634,318,477,157,025 - Step 5: Solve for x
x = 1,634,318,477,157,025/18,867,938 - Step 6: Final answer
x = 86,618,817.44
Related Problems
Find third proportional to 9,433,969 and 20,213,352.50
Half scale
Find third proportional to 37,735,876 and 80,853,410
Double scale
Find third proportional to 18,867,940 and 40,426,709
Similar ratio
Find third proportional to 28,301,907 and 60,640,057.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.