Finding the Third Proportional to 921 and 1,695
Calculator
Solution
The third proportional to 921 and 1,695 is: 3,119.46
Step by Step Solution
- Step 1: Write the proportion equation
921 : 1,695 = 1,695 : x - Step 2: Convert to fraction form
921/1,695 = 1,695/x - Step 3: Cross multiply
921x = 1,695 × 1,695 - Step 4: Simplify right side
921x = 2,873,025 - Step 5: Solve for x
x = 2,873,025/921 - Step 6: Final answer
x = 3,119.46
Related Problems
Find third proportional to 460.50 and 847.50
Half scale
Find third proportional to 1,842 and 3,390
Double scale
Find third proportional to 923 and 1,699
Similar ratio
Find third proportional to 1,381.50 and 2,542.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.