Finding the Third Proportional to 903 and 1,722
Calculator
Solution
The third proportional to 903 and 1,722 is: 3,283.81
Step by Step Solution
- Step 1: Write the proportion equation
903 : 1,722 = 1,722 : x - Step 2: Convert to fraction form
903/1,722 = 1,722/x - Step 3: Cross multiply
903x = 1,722 × 1,722 - Step 4: Simplify right side
903x = 2,965,284 - Step 5: Solve for x
x = 2,965,284/903 - Step 6: Final answer
x = 3,283.81
Related Problems
Find third proportional to 451.50 and 861
Half scale
Find third proportional to 1,806 and 3,444
Double scale
Find third proportional to 905 and 1,726
Similar ratio
Find third proportional to 1,354.50 and 2,583
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.