Finding the Third Proportional to 255,078.75 and 381,285.75
Calculator
Solution
The third proportional to 255,078.75 and 381,285.75 is: 569,937.02
Step by Step Solution
- Step 1: Write the proportion equation
255,078.75 : 381,285.75 = 381,285.75 : x - Step 2: Convert to fraction form
255,078.75/381,285.75 = 381,285.75/x - Step 3: Cross multiply
255,078.75x = 381,285.75 × 381,285.75 - Step 4: Simplify right side
255,078.75x = 145,378,823,153.06 - Step 5: Solve for x
x = 145,378,823,153.06/255,078.75 - Step 6: Final answer
x = 569,937.02
Related Problems
Find third proportional to 127,539.38 and 190,642.88
Half scale
Find third proportional to 510,157.50 and 762,571.50
Double scale
Find third proportional to 255,081 and 381,289
Similar ratio
Find third proportional to 382,618.13 and 571,928.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.