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Finding the Third Proportional to 7,863 and 12,273

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Solution

The third proportional to 7,863 and 12,273 is: 19,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863 : 12,273 = 12,273 : x
  2. Step 2: Convert to fraction form
    7,863/12,273 = 12,273/x
  3. Step 3: Cross multiply
    7,863x = 12,273 × 12,273
  4. Step 4: Simplify right side
    7,863x = 150,626,529
  5. Step 5: Solve for x
    x = 150,626,529/7,863
  6. Step 6: Final answer
    x = 19,156.37

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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.