Finding the Third Proportional to 312,249.88 and 649,043.75
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Solution
The third proportional to 312,249.88 and 649,043.75 is: 1,349,104.75
Step by Step Solution
- Step 1: Write the proportion equation
312,249.88 : 649,043.75 = 649,043.75 : x - Step 2: Convert to fraction form
312,249.88/649,043.75 = 649,043.75/x - Step 3: Cross multiply
312,249.88x = 649,043.75 × 649,043.75 - Step 4: Simplify right side
312,249.88x = 421,257,789,414.06 - Step 5: Solve for x
x = 421,257,789,414.06/312,249.88 - Step 6: Final answer
x = 1,349,104.75
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.