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Finding the Third Proportional to 1,109 and 2,353

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Solution

The third proportional to 1,109 and 2,353 is: 4,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109 : 2,353 = 2,353 : x
  2. Step 2: Convert to fraction form
    1,109/2,353 = 2,353/x
  3. Step 3: Cross multiply
    1,109x = 2,353 × 2,353
  4. Step 4: Simplify right side
    1,109x = 5,536,609
  5. Step 5: Solve for x
    x = 5,536,609/1,109
  6. Step 6: Final answer
    x = 4,992.43

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.