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Finding the Third Proportional to 2,108 and 4,556

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Solution

The third proportional to 2,108 and 4,556 is: 9,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108 : 4,556 = 4,556 : x
  2. Step 2: Convert to fraction form
    2,108/4,556 = 4,556/x
  3. Step 3: Cross multiply
    2,108x = 4,556 × 4,556
  4. Step 4: Simplify right side
    2,108x = 20,757,136
  5. Step 5: Solve for x
    x = 20,757,136/2,108
  6. Step 6: Final answer
    x = 9,846.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.