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Finding the Third Proportional to 12,730 and 27,647

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Solution

The third proportional to 12,730 and 27,647 is: 60,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730 : 27,647 = 27,647 : x
  2. Step 2: Convert to fraction form
    12,730/27,647 = 27,647/x
  3. Step 3: Cross multiply
    12,730x = 27,647 × 27,647
  4. Step 4: Simplify right side
    12,730x = 764,356,609
  5. Step 5: Solve for x
    x = 764,356,609/12,730
  6. Step 6: Final answer
    x = 60,043.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.