Finding the Third Proportional to 15,978 and 22,880
Calculator
Solution
The third proportional to 15,978 and 22,880 is: 32,763.45
Step by Step Solution
- Step 1: Write the proportion equation
15,978 : 22,880 = 22,880 : x - Step 2: Convert to fraction form
15,978/22,880 = 22,880/x - Step 3: Cross multiply
15,978x = 22,880 × 22,880 - Step 4: Simplify right side
15,978x = 523,494,400 - Step 5: Solve for x
x = 523,494,400/15,978 - Step 6: Final answer
x = 32,763.45
Related Problems
Find third proportional to 7,989 and 11,440
Half scale
Find third proportional to 31,956 and 45,760
Double scale
Find third proportional to 15,980 and 22,883
Similar ratio
Find third proportional to 23,967 and 34,320
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.