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Finding the Third Proportional to 18,216 and 28,467

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Solution

The third proportional to 18,216 and 28,467 is: 44,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216 : 28,467 = 28,467 : x
  2. Step 2: Convert to fraction form
    18,216/28,467 = 28,467/x
  3. Step 3: Cross multiply
    18,216x = 28,467 × 28,467
  4. Step 4: Simplify right side
    18,216x = 810,370,089
  5. Step 5: Solve for x
    x = 810,370,089/18,216
  6. Step 6: Final answer
    x = 44,486.72

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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.