Finding the Third Proportional to 4,440 and 6,660
Calculator
Solution
The third proportional to 4,440 and 6,660 is: 9,990
Step by Step Solution
- Step 1: Write the proportion equation
4,440 : 6,660 = 6,660 : x - Step 2: Convert to fraction form
4,440/6,660 = 6,660/x - Step 3: Cross multiply
4,440x = 6,660 × 6,660 - Step 4: Simplify right side
4,440x = 44,355,600 - Step 5: Solve for x
x = 44,355,600/4,440 - Step 6: Final answer
x = 9,990
Related Problems
Find third proportional to 2,220 and 3,330
Half scale
Find third proportional to 8,880 and 13,320
Double scale
Find third proportional to 4,442 and 6,663
Similar ratio
Find third proportional to 6,660 and 9,990
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.