Finding the Third Proportional to 89,914 and 139,701
Calculator
Solution
The third proportional to 89,914 and 139,701 is: 217,055.96
Step by Step Solution
- Step 1: Write the proportion equation
89,914 : 139,701 = 139,701 : x - Step 2: Convert to fraction form
89,914/139,701 = 139,701/x - Step 3: Cross multiply
89,914x = 139,701 × 139,701 - Step 4: Simplify right side
89,914x = 19,516,369,401 - Step 5: Solve for x
x = 19,516,369,401/89,914 - Step 6: Final answer
x = 217,055.96
Related Problems
Find third proportional to 44,957 and 69,850.50
Half scale
Find third proportional to 179,828 and 279,402
Double scale
Find third proportional to 89,916 and 139,704
Similar ratio
Find third proportional to 134,871 and 209,551.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.