Finding the Third Proportional to 81,535 and 178,014
Calculator
Solution
The third proportional to 81,535 and 178,014 is: 388,654.98
Step by Step Solution
- Step 1: Write the proportion equation
81,535 : 178,014 = 178,014 : x - Step 2: Convert to fraction form
81,535/178,014 = 178,014/x - Step 3: Cross multiply
81,535x = 178,014 × 178,014 - Step 4: Simplify right side
81,535x = 31,688,984,196 - Step 5: Solve for x
x = 31,688,984,196/81,535 - Step 6: Final answer
x = 388,654.98
Related Problems
Find third proportional to 40,767.50 and 89,007
Half scale
Find third proportional to 163,070 and 356,028
Double scale
Find third proportional to 81,537 and 178,018
Similar ratio
Find third proportional to 122,302.50 and 267,021
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.