Finding the Third Proportional to 243,509.63 and 331,730.44
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Solution
The third proportional to 243,509.63 and 331,730.44 is: 451,912.66
Step by Step Solution
- Step 1: Write the proportion equation
243,509.63 : 331,730.44 = 331,730.44 : x - Step 2: Convert to fraction form
243,509.63/331,730.44 = 331,730.44/x - Step 3: Cross multiply
243,509.63x = 331,730.44 × 331,730.44 - Step 4: Simplify right side
243,509.63x = 110,045,083,163.94 - Step 5: Solve for x
x = 110,045,083,163.94/243,509.63 - Step 6: Final answer
x = 451,912.66
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.