Finding the Third Proportional to 1,008 and 1,428
Calculator
Solution
The third proportional to 1,008 and 1,428 is: 2,023
Step by Step Solution
- Step 1: Write the proportion equation
1,008 : 1,428 = 1,428 : x - Step 2: Convert to fraction form
1,008/1,428 = 1,428/x - Step 3: Cross multiply
1,008x = 1,428 × 1,428 - Step 4: Simplify right side
1,008x = 2,039,184 - Step 5: Solve for x
x = 2,039,184/1,008 - Step 6: Final answer
x = 2,023
Related Problems
Find third proportional to 504 and 714
Half scale
Find third proportional to 2,016 and 2,856
Double scale
Find third proportional to 1,010 and 1,431
Similar ratio
Find third proportional to 1,512 and 2,142
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.