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Finding the Third Proportional to 5,408 and 8,334

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Solution

The third proportional to 5,408 and 8,334 is: 12,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408 : 8,334 = 8,334 : x
  2. Step 2: Convert to fraction form
    5,408/8,334 = 8,334/x
  3. Step 3: Cross multiply
    5,408x = 8,334 × 8,334
  4. Step 4: Simplify right side
    5,408x = 69,455,556
  5. Step 5: Solve for x
    x = 69,455,556/5,408
  6. Step 6: Final answer
    x = 12,843.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.