Finding the Third Proportional to 21,152 and 31,112
Calculator
Solution
The third proportional to 21,152 and 31,112 is: 45,761.94
Step by Step Solution
- Step 1: Write the proportion equation
21,152 : 31,112 = 31,112 : x - Step 2: Convert to fraction form
21,152/31,112 = 31,112/x - Step 3: Cross multiply
21,152x = 31,112 × 31,112 - Step 4: Simplify right side
21,152x = 967,956,544 - Step 5: Solve for x
x = 967,956,544/21,152 - Step 6: Final answer
x = 45,761.94
Related Problems
Find third proportional to 10,576 and 15,556
Half scale
Find third proportional to 42,304 and 62,224
Double scale
Find third proportional to 21,154 and 31,115
Similar ratio
Find third proportional to 31,728 and 46,668
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.