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Finding the Third Proportional to 12,857 and 26,071

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Solution

The third proportional to 12,857 and 26,071 is: 52,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857 : 26,071 = 26,071 : x
  2. Step 2: Convert to fraction form
    12,857/26,071 = 26,071/x
  3. Step 3: Cross multiply
    12,857x = 26,071 × 26,071
  4. Step 4: Simplify right side
    12,857x = 679,697,041
  5. Step 5: Solve for x
    x = 679,697,041/12,857
  6. Step 6: Final answer
    x = 52,865.91

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.