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Finding the Third Proportional to 12,566 and 18,851

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Solution

The third proportional to 12,566 and 18,851 is: 28,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566 : 18,851 = 18,851 : x
  2. Step 2: Convert to fraction form
    12,566/18,851 = 18,851/x
  3. Step 3: Cross multiply
    12,566x = 18,851 × 18,851
  4. Step 4: Simplify right side
    12,566x = 355,360,201
  5. Step 5: Solve for x
    x = 355,360,201/12,566
  6. Step 6: Final answer
    x = 28,279.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.