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Finding the Third Proportional to 7,338 and 15,401

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Solution

The third proportional to 7,338 and 15,401 is: 32,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338 : 15,401 = 15,401 : x
  2. Step 2: Convert to fraction form
    7,338/15,401 = 15,401/x
  3. Step 3: Cross multiply
    7,338x = 15,401 × 15,401
  4. Step 4: Simplify right side
    7,338x = 237,190,801
  5. Step 5: Solve for x
    x = 237,190,801/7,338
  6. Step 6: Final answer
    x = 32,323.63

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.