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Finding the Third Proportional to 6,645 and 7,401

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Solution

The third proportional to 6,645 and 7,401 is: 8,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645 : 7,401 = 7,401 : x
  2. Step 2: Convert to fraction form
    6,645/7,401 = 7,401/x
  3. Step 3: Cross multiply
    6,645x = 7,401 × 7,401
  4. Step 4: Simplify right side
    6,645x = 54,774,801
  5. Step 5: Solve for x
    x = 54,774,801/6,645
  6. Step 6: Final answer
    x = 8,243.01

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.