Finding the Third Proportional to 31,936 and 67,179.25
Calculator
Solution
The third proportional to 31,936 and 67,179.25 is: 141,315.49
Step by Step Solution
- Step 1: Write the proportion equation
31,936 : 67,179.25 = 67,179.25 : x - Step 2: Convert to fraction form
31,936/67,179.25 = 67,179.25/x - Step 3: Cross multiply
31,936x = 67,179.25 × 67,179.25 - Step 4: Simplify right side
31,936x = 4,513,051,630.56 - Step 5: Solve for x
x = 4,513,051,630.56/31,936 - Step 6: Final answer
x = 141,315.49
Related Problems
Find third proportional to 15,968 and 33,589.63
Half scale
Find third proportional to 63,872 and 134,358.50
Double scale
Find third proportional to 31,938 and 67,183
Similar ratio
Find third proportional to 47,904 and 100,768.88
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.