Finding the Third Proportional to 6,864.75 and 14,787.75
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Solution
The third proportional to 6,864.75 and 14,787.75 is: 31,855.14
Step by Step Solution
- Step 1: Write the proportion equation
6,864.75 : 14,787.75 = 14,787.75 : x - Step 2: Convert to fraction form
6,864.75/14,787.75 = 14,787.75/x - Step 3: Cross multiply
6,864.75x = 14,787.75 × 14,787.75 - Step 4: Simplify right side
6,864.75x = 218,677,550.06 - Step 5: Solve for x
x = 218,677,550.06/6,864.75 - Step 6: Final answer
x = 31,855.14
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.