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Finding the Third Proportional to 5,408 and 5,984

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Solution

The third proportional to 5,408 and 5,984 is: 6,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408 : 5,984 = 5,984 : x
  2. Step 2: Convert to fraction form
    5,408/5,984 = 5,984/x
  3. Step 3: Cross multiply
    5,408x = 5,984 × 5,984
  4. Step 4: Simplify right side
    5,408x = 35,808,256
  5. Step 5: Solve for x
    x = 35,808,256/5,408
  6. Step 6: Final answer
    x = 6,621.35

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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.