Finding the Third Proportional to 266,742 and 412,893
Calculator
Solution
The third proportional to 266,742 and 412,893 is: 639,121.81
Step by Step Solution
- Step 1: Write the proportion equation
266,742 : 412,893 = 412,893 : x - Step 2: Convert to fraction form
266,742/412,893 = 412,893/x - Step 3: Cross multiply
266,742x = 412,893 × 412,893 - Step 4: Simplify right side
266,742x = 170,480,629,449 - Step 5: Solve for x
x = 170,480,629,449/266,742 - Step 6: Final answer
x = 639,121.81
Related Problems
Find third proportional to 133,371 and 206,446.50
Half scale
Find third proportional to 533,484 and 825,786
Double scale
Find third proportional to 266,744 and 412,896
Similar ratio
Find third proportional to 400,113 and 619,339.50
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.