Finding the Third Proportional to 257,856.19 and 557,191.69
Calculator
Solution
The third proportional to 257,856.19 and 557,191.69 is: 1,204,014.45
Step by Step Solution
- Step 1: Write the proportion equation
257,856.19 : 557,191.69 = 557,191.69 : x - Step 2: Convert to fraction form
257,856.19/557,191.69 = 557,191.69/x - Step 3: Cross multiply
257,856.19x = 557,191.69 × 557,191.69 - Step 4: Simplify right side
257,856.19x = 310,462,576,619.10 - Step 5: Solve for x
x = 310,462,576,619.10/257,856.19 - Step 6: Final answer
x = 1,204,014.45
Related Problems
Find third proportional to 128,928.09 and 278,595.84
Half scale
Find third proportional to 515,712.38 and 1,114,383.38
Double scale
Find third proportional to 257,858 and 557,196
Similar ratio
Find third proportional to 386,784.28 and 835,787.53
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.