Finding the Third Proportional to 2,580 and 4,860
Calculator
Solution
The third proportional to 2,580 and 4,860 is: 9,154.88
Step by Step Solution
- Step 1: Write the proportion equation
2,580 : 4,860 = 4,860 : x - Step 2: Convert to fraction form
2,580/4,860 = 4,860/x - Step 3: Cross multiply
2,580x = 4,860 × 4,860 - Step 4: Simplify right side
2,580x = 23,619,600 - Step 5: Solve for x
x = 23,619,600/2,580 - Step 6: Final answer
x = 9,154.88
Related Problems
Find third proportional to 1,290 and 2,430
Half scale
Find third proportional to 5,160 and 9,720
Double scale
Find third proportional to 2,582 and 4,864
Similar ratio
Find third proportional to 3,870 and 7,290
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.