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Finding the Third Proportional to 10,812 and 14,625

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Solution

The third proportional to 10,812 and 14,625 is: 19,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812 : 14,625 = 14,625 : x
  2. Step 2: Convert to fraction form
    10,812/14,625 = 14,625/x
  3. Step 3: Cross multiply
    10,812x = 14,625 × 14,625
  4. Step 4: Simplify right side
    10,812x = 213,890,625
  5. Step 5: Solve for x
    x = 213,890,625/10,812
  6. Step 6: Final answer
    x = 19,782.71

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.