Finding the Third Proportional to 311,556.38 and 677,787.75
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Solution
The third proportional to 311,556.38 and 677,787.75 is: 1,474,520.41
Step by Step Solution
- Step 1: Write the proportion equation
311,556.38 : 677,787.75 = 677,787.75 : x - Step 2: Convert to fraction form
311,556.38/677,787.75 = 677,787.75/x - Step 3: Cross multiply
311,556.38x = 677,787.75 × 677,787.75 - Step 4: Simplify right side
311,556.38x = 459,396,234,050.06 - Step 5: Solve for x
x = 459,396,234,050.06/311,556.38 - Step 6: Final answer
x = 1,474,520.41
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.