Finding the Third Proportional to 1,010 and 2,020
Calculator
Solution
The third proportional to 1,010 and 2,020 is: 4,040
Step by Step Solution
- Step 1: Write the proportion equation
1,010 : 2,020 = 2,020 : x - Step 2: Convert to fraction form
1,010/2,020 = 2,020/x - Step 3: Cross multiply
1,010x = 2,020 × 2,020 - Step 4: Simplify right side
1,010x = 4,080,400 - Step 5: Solve for x
x = 4,080,400/1,010 - Step 6: Final answer
x = 4,040
Related Problems
Find third proportional to 505 and 1,010
Half scale
Find third proportional to 2,020 and 4,040
Double scale
Find third proportional to 1,012 and 2,024
Similar ratio
Find third proportional to 1,515 and 3,030
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.