Finding the Third Proportional to 790.50 and 1,707
Calculator
Solution
The third proportional to 790.50 and 1,707 is: 3,686.08
Step by Step Solution
- Step 1: Write the proportion equation
790.50 : 1,707 = 1,707 : x - Step 2: Convert to fraction form
790.50/1,707 = 1,707/x - Step 3: Cross multiply
790.50x = 1,707 × 1,707 - Step 4: Simplify right side
790.50x = 2,913,849 - Step 5: Solve for x
x = 2,913,849/790.50 - Step 6: Final answer
x = 3,686.08
Related Problems
Find third proportional to 395.25 and 853.50
Half scale
Find third proportional to 1,581 and 3,414
Double scale
Find third proportional to 793 and 1,711
Similar ratio
Find third proportional to 1,185.75 and 2,560.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.