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Finding the Third Proportional to 8,048 and 12,518

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Solution

The third proportional to 8,048 and 12,518 is: 19,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048 : 12,518 = 12,518 : x
  2. Step 2: Convert to fraction form
    8,048/12,518 = 12,518/x
  3. Step 3: Cross multiply
    8,048x = 12,518 × 12,518
  4. Step 4: Simplify right side
    8,048x = 156,700,324
  5. Step 5: Solve for x
    x = 156,700,324/8,048
  6. Step 6: Final answer
    x = 19,470.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.