Finding the Third Proportional to 785 and 1,174
Calculator
Solution
The third proportional to 785 and 1,174 is: 1,755.77
Step by Step Solution
- Step 1: Write the proportion equation
785 : 1,174 = 1,174 : x - Step 2: Convert to fraction form
785/1,174 = 1,174/x - Step 3: Cross multiply
785x = 1,174 × 1,174 - Step 4: Simplify right side
785x = 1,378,276 - Step 5: Solve for x
x = 1,378,276/785 - Step 6: Final answer
x = 1,755.77
Related Problems
Find third proportional to 392.50 and 587
Half scale
Find third proportional to 1,570 and 2,348
Double scale
Find third proportional to 787 and 1,177
Similar ratio
Find third proportional to 1,177.50 and 1,761
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.