Finding the Third Proportional to 331,107.75 and 715,137.75
Calculator
Solution
The third proportional to 331,107.75 and 715,137.75 is: 1,544,578.77
Step by Step Solution
- Step 1: Write the proportion equation
331,107.75 : 715,137.75 = 715,137.75 : x - Step 2: Convert to fraction form
331,107.75/715,137.75 = 715,137.75/x - Step 3: Cross multiply
331,107.75x = 715,137.75 × 715,137.75 - Step 4: Simplify right side
331,107.75x = 511,422,001,475.06 - Step 5: Solve for x
x = 511,422,001,475.06/331,107.75 - Step 6: Final answer
x = 1,544,578.77
Related Problems
Find third proportional to 165,553.88 and 357,568.88
Half scale
Find third proportional to 662,215.50 and 1,430,275.50
Double scale
Find third proportional to 331,110 and 715,142
Similar ratio
Find third proportional to 496,661.63 and 1,072,706.63
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.