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Finding the Third Proportional to 12,650.50 and 18,873

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Solution

The third proportional to 12,650.50 and 18,873 is: 28,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.50 : 18,873 = 18,873 : x
  2. Step 2: Convert to fraction form
    12,650.50/18,873 = 18,873/x
  3. Step 3: Cross multiply
    12,650.50x = 18,873 × 18,873
  4. Step 4: Simplify right side
    12,650.50x = 356,190,129
  5. Step 5: Solve for x
    x = 356,190,129/12,650.50
  6. Step 6: Final answer
    x = 28,156.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.