Finding the Third Proportional to 255,511.97 and 396,765.84
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Solution
The third proportional to 255,511.97 and 396,765.84 is: 616,108.65
Step by Step Solution
- Step 1: Write the proportion equation
255,511.97 : 396,765.84 = 396,765.84 : x - Step 2: Convert to fraction form
255,511.97/396,765.84 = 396,765.84/x - Step 3: Cross multiply
255,511.97x = 396,765.84 × 396,765.84 - Step 4: Simplify right side
255,511.97x = 157,423,134,766.65 - Step 5: Solve for x
x = 157,423,134,766.65/255,511.97 - Step 6: Final answer
x = 616,108.65
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.