Finding the Third Proportional to 981.50 and 1,441
Calculator
Solution
The third proportional to 981.50 and 1,441 is: 2,115.62
Step by Step Solution
- Step 1: Write the proportion equation
981.50 : 1,441 = 1,441 : x - Step 2: Convert to fraction form
981.50/1,441 = 1,441/x - Step 3: Cross multiply
981.50x = 1,441 × 1,441 - Step 4: Simplify right side
981.50x = 2,076,481 - Step 5: Solve for x
x = 2,076,481/981.50 - Step 6: Final answer
x = 2,115.62
Related Problems
Find third proportional to 490.75 and 720.50
Half scale
Find third proportional to 1,963 and 2,882
Double scale
Find third proportional to 984 and 1,444
Similar ratio
Find third proportional to 1,472.25 and 2,161.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.