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Finding the Third Proportional to 8,846 and 12,791

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Solution

The third proportional to 8,846 and 12,791 is: 18,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846 : 12,791 = 12,791 : x
  2. Step 2: Convert to fraction form
    8,846/12,791 = 12,791/x
  3. Step 3: Cross multiply
    8,846x = 12,791 × 12,791
  4. Step 4: Simplify right side
    8,846x = 163,609,681
  5. Step 5: Solve for x
    x = 163,609,681/8,846
  6. Step 6: Final answer
    x = 18,495.33

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.