Finding the Third Proportional to 84 and 202
Calculator
Solution
The third proportional to 84 and 202 is: 485.76
Step by Step Solution
- Step 1: Write the proportion equation
84 : 202 = 202 : x - Step 2: Convert to fraction form
84/202 = 202/x - Step 3: Cross multiply
84x = 202 × 202 - Step 4: Simplify right side
84x = 40,804 - Step 5: Solve for x
x = 40,804/84 - Step 6: Final answer
x = 485.76
Related Problems
Find third proportional to 42 and 101
Half scale
Find third proportional to 168 and 404
Double scale
Find third proportional to 86 and 207
Similar ratio
Find third proportional to 126 and 303
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.