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Finding the Third Proportional to 12,708 and 17,894

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Solution

The third proportional to 12,708 and 17,894 is: 25,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708 : 17,894 = 17,894 : x
  2. Step 2: Convert to fraction form
    12,708/17,894 = 17,894/x
  3. Step 3: Cross multiply
    12,708x = 17,894 × 17,894
  4. Step 4: Simplify right side
    12,708x = 320,195,236
  5. Step 5: Solve for x
    x = 320,195,236/12,708
  6. Step 6: Final answer
    x = 25,196.35

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.