Finding the Third Proportional to 1,842 and 4,008
Calculator
Solution
The third proportional to 1,842 and 4,008 is: 8,720.99
Step by Step Solution
- Step 1: Write the proportion equation
1,842 : 4,008 = 4,008 : x - Step 2: Convert to fraction form
1,842/4,008 = 4,008/x - Step 3: Cross multiply
1,842x = 4,008 × 4,008 - Step 4: Simplify right side
1,842x = 16,064,064 - Step 5: Solve for x
x = 16,064,064/1,842 - Step 6: Final answer
x = 8,720.99
Related Problems
Find third proportional to 921 and 2,004
Half scale
Find third proportional to 3,684 and 8,016
Double scale
Find third proportional to 1,844 and 4,012
Similar ratio
Find third proportional to 2,763 and 6,012
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.