Finding the Third Proportional to 947 and 1,838
Calculator
Solution
The third proportional to 947 and 1,838 is: 3,567.31
Step by Step Solution
- Step 1: Write the proportion equation
947 : 1,838 = 1,838 : x - Step 2: Convert to fraction form
947/1,838 = 1,838/x - Step 3: Cross multiply
947x = 1,838 × 1,838 - Step 4: Simplify right side
947x = 3,378,244 - Step 5: Solve for x
x = 3,378,244/947 - Step 6: Final answer
x = 3,567.31
Related Problems
Find third proportional to 473.50 and 919
Half scale
Find third proportional to 1,894 and 3,676
Double scale
Find third proportional to 949 and 1,842
Similar ratio
Find third proportional to 1,420.50 and 2,757
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.