Finding the Third Proportional to 20,028 and 30,042
Calculator
Solution
The third proportional to 20,028 and 30,042 is: 45,063
Step by Step Solution
- Step 1: Write the proportion equation
20,028 : 30,042 = 30,042 : x - Step 2: Convert to fraction form
20,028/30,042 = 30,042/x - Step 3: Cross multiply
20,028x = 30,042 × 30,042 - Step 4: Simplify right side
20,028x = 902,521,764 - Step 5: Solve for x
x = 902,521,764/20,028 - Step 6: Final answer
x = 45,063
Related Problems
Find third proportional to 10,014 and 15,021
Half scale
Find third proportional to 40,056 and 60,084
Double scale
Find third proportional to 20,030 and 30,045
Similar ratio
Find third proportional to 30,042 and 45,063
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.