Finding the Third Proportional to 142,661 and 217,798
Calculator
Solution
The third proportional to 142,661 and 217,798 is: 332,508.32
Step by Step Solution
- Step 1: Write the proportion equation
142,661 : 217,798 = 217,798 : x - Step 2: Convert to fraction form
142,661/217,798 = 217,798/x - Step 3: Cross multiply
142,661x = 217,798 × 217,798 - Step 4: Simplify right side
142,661x = 47,435,968,804 - Step 5: Solve for x
x = 47,435,968,804/142,661 - Step 6: Final answer
x = 332,508.32
Related Problems
Find third proportional to 71,330.50 and 108,899
Half scale
Find third proportional to 285,322 and 435,596
Double scale
Find third proportional to 142,663 and 217,801
Similar ratio
Find third proportional to 213,991.50 and 326,697
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.