Finding the Third Proportional to 165,539.25 and 256,272.75
Calculator
Solution
The third proportional to 165,539.25 and 256,272.75 is: 396,738.07
Step by Step Solution
- Step 1: Write the proportion equation
165,539.25 : 256,272.75 = 256,272.75 : x - Step 2: Convert to fraction form
165,539.25/256,272.75 = 256,272.75/x - Step 3: Cross multiply
165,539.25x = 256,272.75 × 256,272.75 - Step 4: Simplify right side
165,539.25x = 65,675,722,392.56 - Step 5: Solve for x
x = 65,675,722,392.56/165,539.25 - Step 6: Final answer
x = 396,738.07
Related Problems
Find third proportional to 82,769.63 and 128,136.38
Half scale
Find third proportional to 331,078.50 and 512,545.50
Double scale
Find third proportional to 165,541 and 256,276
Similar ratio
Find third proportional to 248,308.88 and 384,409.13
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.