Finding the Third Proportional to 8,449 and 9,781
Calculator
Solution
The third proportional to 8,449 and 9,781 is: 11,322.99
Step by Step Solution
- Step 1: Write the proportion equation
8,449 : 9,781 = 9,781 : x - Step 2: Convert to fraction form
8,449/9,781 = 9,781/x - Step 3: Cross multiply
8,449x = 9,781 × 9,781 - Step 4: Simplify right side
8,449x = 95,667,961 - Step 5: Solve for x
x = 95,667,961/8,449 - Step 6: Final answer
x = 11,322.99
Related Problems
Find third proportional to 4,224.50 and 4,890.50
Half scale
Find third proportional to 16,898 and 19,562
Double scale
Find third proportional to 8,451 and 9,783
Similar ratio
Find third proportional to 12,673.50 and 14,671.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.