Finding the Third Proportional to 72,702 and 159,405
Calculator
Solution
The third proportional to 72,702 and 159,405 is: 349,508.32
Step by Step Solution
- Step 1: Write the proportion equation
72,702 : 159,405 = 159,405 : x - Step 2: Convert to fraction form
72,702/159,405 = 159,405/x - Step 3: Cross multiply
72,702x = 159,405 × 159,405 - Step 4: Simplify right side
72,702x = 25,409,954,025 - Step 5: Solve for x
x = 25,409,954,025/72,702 - Step 6: Final answer
x = 349,508.32
Related Problems
Find third proportional to 36,351 and 79,702.50
Half scale
Find third proportional to 145,404 and 318,810
Double scale
Find third proportional to 72,704 and 159,409
Similar ratio
Find third proportional to 109,053 and 239,107.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.