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Finding the Third Proportional to 5,992 and 8,428

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Solution

The third proportional to 5,992 and 8,428 is: 11,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992 : 8,428 = 8,428 : x
  2. Step 2: Convert to fraction form
    5,992/8,428 = 8,428/x
  3. Step 3: Cross multiply
    5,992x = 8,428 × 8,428
  4. Step 4: Simplify right side
    5,992x = 71,031,184
  5. Step 5: Solve for x
    x = 71,031,184/5,992
  6. Step 6: Final answer
    x = 11,854.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.