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Finding the Third Proportional to 4,933 and 11,905

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Solution

The third proportional to 4,933 and 11,905 is: 28,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933 : 11,905 = 11,905 : x
  2. Step 2: Convert to fraction form
    4,933/11,905 = 11,905/x
  3. Step 3: Cross multiply
    4,933x = 11,905 × 11,905
  4. Step 4: Simplify right side
    4,933x = 141,729,025
  5. Step 5: Solve for x
    x = 141,729,025/4,933
  6. Step 6: Final answer
    x = 28,730.80

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.