Finding the Third Proportional to 152 and 202
Calculator
Solution
The third proportional to 152 and 202 is: 268.45
Step by Step Solution
- Step 1: Write the proportion equation
152 : 202 = 202 : x - Step 2: Convert to fraction form
152/202 = 202/x - Step 3: Cross multiply
152x = 202 × 202 - Step 4: Simplify right side
152x = 40,804 - Step 5: Solve for x
x = 40,804/152 - Step 6: Final answer
x = 268.45
Related Problems
Find third proportional to 76 and 101
Half scale
Find third proportional to 304 and 404
Double scale
Find third proportional to 154 and 205
Similar ratio
Find third proportional to 228 and 303
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.