Finding the Third Proportional to 866.50 and 1,363
Calculator
Solution
The third proportional to 866.50 and 1,363 is: 2,143.99
Step by Step Solution
- Step 1: Write the proportion equation
866.50 : 1,363 = 1,363 : x - Step 2: Convert to fraction form
866.50/1,363 = 1,363/x - Step 3: Cross multiply
866.50x = 1,363 × 1,363 - Step 4: Simplify right side
866.50x = 1,857,769 - Step 5: Solve for x
x = 1,857,769/866.50 - Step 6: Final answer
x = 2,143.99
Related Problems
Find third proportional to 433.25 and 681.50
Half scale
Find third proportional to 1,733 and 2,726
Double scale
Find third proportional to 869 and 1,366
Similar ratio
Find third proportional to 1,299.75 and 2,044.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.