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Finding the Third Proportional to 13,147 and 26,907

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Solution

The third proportional to 13,147 and 26,907 is: 55,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147 : 26,907 = 26,907 : x
  2. Step 2: Convert to fraction form
    13,147/26,907 = 26,907/x
  3. Step 3: Cross multiply
    13,147x = 26,907 × 26,907
  4. Step 4: Simplify right side
    13,147x = 723,986,649
  5. Step 5: Solve for x
    x = 723,986,649/13,147
  6. Step 6: Final answer
    x = 55,068.58

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.