Finding the Third Proportional to 863 and 1,263
Calculator
Solution
The third proportional to 863 and 1,263 is: 1,848.40
Step by Step Solution
- Step 1: Write the proportion equation
863 : 1,263 = 1,263 : x - Step 2: Convert to fraction form
863/1,263 = 1,263/x - Step 3: Cross multiply
863x = 1,263 × 1,263 - Step 4: Simplify right side
863x = 1,595,169 - Step 5: Solve for x
x = 1,595,169/863 - Step 6: Final answer
x = 1,848.40
Related Problems
Find third proportional to 431.50 and 631.50
Half scale
Find third proportional to 1,726 and 2,526
Double scale
Find third proportional to 865 and 1,266
Similar ratio
Find third proportional to 1,294.50 and 1,894.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.