Finding the Third Proportional to 766 and 1,151
Calculator
Solution
The third proportional to 766 and 1,151 is: 1,729.51
Step by Step Solution
- Step 1: Write the proportion equation
766 : 1,151 = 1,151 : x - Step 2: Convert to fraction form
766/1,151 = 1,151/x - Step 3: Cross multiply
766x = 1,151 × 1,151 - Step 4: Simplify right side
766x = 1,324,801 - Step 5: Solve for x
x = 1,324,801/766 - Step 6: Final answer
x = 1,729.51
Related Problems
Find third proportional to 383 and 575.50
Half scale
Find third proportional to 1,532 and 2,302
Double scale
Find third proportional to 768 and 1,154
Similar ratio
Find third proportional to 1,149 and 1,726.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.