Finding the Third Proportional to 311,949.38 and 638,676.75
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Solution
The third proportional to 311,949.38 and 638,676.75 is: 1,307,609.58
Step by Step Solution
- Step 1: Write the proportion equation
311,949.38 : 638,676.75 = 638,676.75 : x - Step 2: Convert to fraction form
311,949.38/638,676.75 = 638,676.75/x - Step 3: Cross multiply
311,949.38x = 638,676.75 × 638,676.75 - Step 4: Simplify right side
311,949.38x = 407,907,990,990.56 - Step 5: Solve for x
x = 407,907,990,990.56/311,949.38 - Step 6: Final answer
x = 1,307,609.58
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.