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Finding the Third Proportional to 7,680 and 14,848

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Solution

The third proportional to 7,680 and 14,848 is: 28,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680 : 14,848 = 14,848 : x
  2. Step 2: Convert to fraction form
    7,680/14,848 = 14,848/x
  3. Step 3: Cross multiply
    7,680x = 14,848 × 14,848
  4. Step 4: Simplify right side
    7,680x = 220,463,104
  5. Step 5: Solve for x
    x = 220,463,104/7,680
  6. Step 6: Final answer
    x = 28,706.13

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.