Finding the Third Proportional to 3,787.88 and 8,169.75
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Solution
The third proportional to 3,787.88 and 8,169.75 is: 17,620.65
Step by Step Solution
- Step 1: Write the proportion equation
3,787.88 : 8,169.75 = 8,169.75 : x - Step 2: Convert to fraction form
3,787.88/8,169.75 = 8,169.75/x - Step 3: Cross multiply
3,787.88x = 8,169.75 × 8,169.75 - Step 4: Simplify right side
3,787.88x = 66,744,815.06 - Step 5: Solve for x
x = 66,744,815.06/3,787.88 - Step 6: Final answer
x = 17,620.65
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.