Finding the Third Proportional to 103,076 and 139,816
Calculator
Solution
The third proportional to 103,076 and 139,816 is: 189,651.46
Step by Step Solution
- Step 1: Write the proportion equation
103,076 : 139,816 = 139,816 : x - Step 2: Convert to fraction form
103,076/139,816 = 139,816/x - Step 3: Cross multiply
103,076x = 139,816 × 139,816 - Step 4: Simplify right side
103,076x = 19,548,513,856 - Step 5: Solve for x
x = 19,548,513,856/103,076 - Step 6: Final answer
x = 189,651.46
Related Problems
Find third proportional to 51,538 and 69,908
Half scale
Find third proportional to 206,152 and 279,632
Double scale
Find third proportional to 103,078 and 139,819
Similar ratio
Find third proportional to 154,614 and 209,724
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.