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Finding the Third Proportional to 4,648 and 9,814

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Solution

The third proportional to 4,648 and 9,814 is: 20,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648 : 9,814 = 9,814 : x
  2. Step 2: Convert to fraction form
    4,648/9,814 = 9,814/x
  3. Step 3: Cross multiply
    4,648x = 9,814 × 9,814
  4. Step 4: Simplify right side
    4,648x = 96,314,596
  5. Step 5: Solve for x
    x = 96,314,596/4,648
  6. Step 6: Final answer
    x = 20,721.73

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.