Finding the Third Proportional to 38,158 and 55,979
Calculator
Solution
The third proportional to 38,158 and 55,979 is: 82,122.97
Step by Step Solution
- Step 1: Write the proportion equation
38,158 : 55,979 = 55,979 : x - Step 2: Convert to fraction form
38,158/55,979 = 55,979/x - Step 3: Cross multiply
38,158x = 55,979 × 55,979 - Step 4: Simplify right side
38,158x = 3,133,648,441 - Step 5: Solve for x
x = 3,133,648,441/38,158 - Step 6: Final answer
x = 82,122.97
Related Problems
Find third proportional to 19,079 and 27,989.50
Half scale
Find third proportional to 76,316 and 111,958
Double scale
Find third proportional to 38,160 and 55,982
Similar ratio
Find third proportional to 57,237 and 83,968.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.