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Finding the Third Proportional to 5,038 and 8,005

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Solution

The third proportional to 5,038 and 8,005 is: 12,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038 : 8,005 = 8,005 : x
  2. Step 2: Convert to fraction form
    5,038/8,005 = 8,005/x
  3. Step 3: Cross multiply
    5,038x = 8,005 × 8,005
  4. Step 4: Simplify right side
    5,038x = 64,080,025
  5. Step 5: Solve for x
    x = 64,080,025/5,038
  6. Step 6: Final answer
    x = 12,719.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.