Finding the Third Proportional to 447.50 and 849
Calculator
Solution
The third proportional to 447.50 and 849 is: 1,610.73
Step by Step Solution
- Step 1: Write the proportion equation
447.50 : 849 = 849 : x - Step 2: Convert to fraction form
447.50/849 = 849/x - Step 3: Cross multiply
447.50x = 849 × 849 - Step 4: Simplify right side
447.50x = 720,801 - Step 5: Solve for x
x = 720,801/447.50 - Step 6: Final answer
x = 1,610.73
Related Problems
Find third proportional to 223.75 and 424.50
Half scale
Find third proportional to 895 and 1,698
Double scale
Find third proportional to 450 and 853
Similar ratio
Find third proportional to 671.25 and 1,273.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.