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Finding the Third Proportional to 12,750.75 and 18,367.88

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Solution

The third proportional to 12,750.75 and 18,367.88 is: 26,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.75 : 18,367.88 = 18,367.88 : x
  2. Step 2: Convert to fraction form
    12,750.75/18,367.88 = 18,367.88/x
  3. Step 3: Cross multiply
    12,750.75x = 18,367.88 × 18,367.88
  4. Step 4: Simplify right side
    12,750.75x = 337,378,832.02
  5. Step 5: Solve for x
    x = 337,378,832.02/12,750.75
  6. Step 6: Final answer
    x = 26,459.53

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.