Finding the Third Proportional to 31,815 and 73,962
Calculator
Solution
The third proportional to 31,815 and 73,962 is: 171,943.34
Step by Step Solution
- Step 1: Write the proportion equation
31,815 : 73,962 = 73,962 : x - Step 2: Convert to fraction form
31,815/73,962 = 73,962/x - Step 3: Cross multiply
31,815x = 73,962 × 73,962 - Step 4: Simplify right side
31,815x = 5,470,377,444 - Step 5: Solve for x
x = 5,470,377,444/31,815 - Step 6: Final answer
x = 171,943.34
Related Problems
Find third proportional to 15,907.50 and 36,981
Half scale
Find third proportional to 63,630 and 147,924
Double scale
Find third proportional to 31,817 and 73,967
Similar ratio
Find third proportional to 47,722.50 and 110,943
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.