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Finding the Third Proportional to 13,104 and 28,782

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Solution

The third proportional to 13,104 and 28,782 is: 63,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104 : 28,782 = 28,782 : x
  2. Step 2: Convert to fraction form
    13,104/28,782 = 28,782/x
  3. Step 3: Cross multiply
    13,104x = 28,782 × 28,782
  4. Step 4: Simplify right side
    13,104x = 828,403,524
  5. Step 5: Solve for x
    x = 828,403,524/13,104
  6. Step 6: Final answer
    x = 63,217.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.