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Finding the Third Proportional to 12,619 and 26,894

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Solution

The third proportional to 12,619 and 26,894 is: 57,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619 : 26,894 = 26,894 : x
  2. Step 2: Convert to fraction form
    12,619/26,894 = 26,894/x
  3. Step 3: Cross multiply
    12,619x = 26,894 × 26,894
  4. Step 4: Simplify right side
    12,619x = 723,287,236
  5. Step 5: Solve for x
    x = 723,287,236/12,619
  6. Step 6: Final answer
    x = 57,317.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.