Finding the Third Proportional to 895 and 1,387
Calculator
Solution
The third proportional to 895 and 1,387 is: 2,149.46
Step by Step Solution
- Step 1: Write the proportion equation
895 : 1,387 = 1,387 : x - Step 2: Convert to fraction form
895/1,387 = 1,387/x - Step 3: Cross multiply
895x = 1,387 × 1,387 - Step 4: Simplify right side
895x = 1,923,769 - Step 5: Solve for x
x = 1,923,769/895 - Step 6: Final answer
x = 2,149.46
Related Problems
Find third proportional to 447.50 and 693.50
Half scale
Find third proportional to 1,790 and 2,774
Double scale
Find third proportional to 897 and 1,390
Similar ratio
Find third proportional to 1,342.50 and 2,080.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.