Finding the Third Proportional to 15,624 and 18,036
Calculator
Solution
The third proportional to 15,624 and 18,036 is: 20,820.36
Step by Step Solution
- Step 1: Write the proportion equation
15,624 : 18,036 = 18,036 : x - Step 2: Convert to fraction form
15,624/18,036 = 18,036/x - Step 3: Cross multiply
15,624x = 18,036 × 18,036 - Step 4: Simplify right side
15,624x = 325,297,296 - Step 5: Solve for x
x = 325,297,296/15,624 - Step 6: Final answer
x = 20,820.36
Related Problems
Find third proportional to 7,812 and 9,018
Half scale
Find third proportional to 31,248 and 36,072
Double scale
Find third proportional to 15,626 and 18,038
Similar ratio
Find third proportional to 23,436 and 27,054
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.