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Finding the Third Proportional to 4,751 and 12,864

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Solution

The third proportional to 4,751 and 12,864 is: 34,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751 : 12,864 = 12,864 : x
  2. Step 2: Convert to fraction form
    4,751/12,864 = 12,864/x
  3. Step 3: Cross multiply
    4,751x = 12,864 × 12,864
  4. Step 4: Simplify right side
    4,751x = 165,482,496
  5. Step 5: Solve for x
    x = 165,482,496/4,751
  6. Step 6: Final answer
    x = 34,831.09

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.