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Finding the Third Proportional to 5,807 and 6,401

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Solution

The third proportional to 5,807 and 6,401 is: 7,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807 : 6,401 = 6,401 : x
  2. Step 2: Convert to fraction form
    5,807/6,401 = 6,401/x
  3. Step 3: Cross multiply
    5,807x = 6,401 × 6,401
  4. Step 4: Simplify right side
    5,807x = 40,972,801
  5. Step 5: Solve for x
    x = 40,972,801/5,807
  6. Step 6: Final answer
    x = 7,055.76

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.