Finding the Third Proportional to 255,656.25 and 378,563.63
Calculator
Solution
The third proportional to 255,656.25 and 378,563.63 is: 560,559.02
Step by Step Solution
- Step 1: Write the proportion equation
255,656.25 : 378,563.63 = 378,563.63 : x - Step 2: Convert to fraction form
255,656.25/378,563.63 = 378,563.63/x - Step 3: Cross multiply
255,656.25x = 378,563.63 × 378,563.63 - Step 4: Simplify right side
255,656.25x = 143,310,418,173.14 - Step 5: Solve for x
x = 143,310,418,173.14/255,656.25 - Step 6: Final answer
x = 560,559.02
Related Problems
Find third proportional to 127,828.13 and 189,281.81
Half scale
Find third proportional to 511,312.50 and 757,127.25
Double scale
Find third proportional to 255,658 and 378,567
Similar ratio
Find third proportional to 383,484.38 and 567,845.44
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.