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Finding the Third Proportional to 2,212 and 4,484

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Solution

The third proportional to 2,212 and 4,484 is: 9,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212 : 4,484 = 4,484 : x
  2. Step 2: Convert to fraction form
    2,212/4,484 = 4,484/x
  3. Step 3: Cross multiply
    2,212x = 4,484 × 4,484
  4. Step 4: Simplify right side
    2,212x = 20,106,256
  5. Step 5: Solve for x
    x = 20,106,256/2,212
  6. Step 6: Final answer
    x = 9,089.63

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.