Finding the Third Proportional to 135,715.50 and 219,408.75
Calculator
Solution
The third proportional to 135,715.50 and 219,408.75 is: 354,714.09
Step by Step Solution
- Step 1: Write the proportion equation
135,715.50 : 219,408.75 = 219,408.75 : x - Step 2: Convert to fraction form
135,715.50/219,408.75 = 219,408.75/x - Step 3: Cross multiply
135,715.50x = 219,408.75 × 219,408.75 - Step 4: Simplify right side
135,715.50x = 48,140,199,576.56 - Step 5: Solve for x
x = 48,140,199,576.56/135,715.50 - Step 6: Final answer
x = 354,714.09
Related Problems
Find third proportional to 67,857.75 and 109,704.38
Half scale
Find third proportional to 271,431 and 438,817.50
Double scale
Find third proportional to 135,718 and 219,412
Similar ratio
Find third proportional to 203,573.25 and 329,113.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.