Finding the Third Proportional to 870 and 2,094
Calculator
Solution
The third proportional to 870 and 2,094 is: 5,040.04
Step by Step Solution
- Step 1: Write the proportion equation
870 : 2,094 = 2,094 : x - Step 2: Convert to fraction form
870/2,094 = 2,094/x - Step 3: Cross multiply
870x = 2,094 × 2,094 - Step 4: Simplify right side
870x = 4,384,836 - Step 5: Solve for x
x = 4,384,836/870 - Step 6: Final answer
x = 5,040.04
Related Problems
Find third proportional to 435 and 1,047
Half scale
Find third proportional to 1,740 and 4,188
Double scale
Find third proportional to 872 and 2,099
Similar ratio
Find third proportional to 1,305 and 3,141
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.