Finding the Third Proportional to 860 and 2,068
Calculator
Solution
The third proportional to 860 and 2,068 is: 4,972.82
Step by Step Solution
- Step 1: Write the proportion equation
860 : 2,068 = 2,068 : x - Step 2: Convert to fraction form
860/2,068 = 2,068/x - Step 3: Cross multiply
860x = 2,068 × 2,068 - Step 4: Simplify right side
860x = 4,276,624 - Step 5: Solve for x
x = 4,276,624/860 - Step 6: Final answer
x = 4,972.82
Related Problems
Find third proportional to 430 and 1,034
Half scale
Find third proportional to 1,720 and 4,136
Double scale
Find third proportional to 862 and 2,073
Similar ratio
Find third proportional to 1,290 and 3,102
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.