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Finding the Third Proportional to 8,894 and 12,937

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Solution

The third proportional to 8,894 and 12,937 is: 18,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894 : 12,937 = 12,937 : x
  2. Step 2: Convert to fraction form
    8,894/12,937 = 12,937/x
  3. Step 3: Cross multiply
    8,894x = 12,937 × 12,937
  4. Step 4: Simplify right side
    8,894x = 167,365,969
  5. Step 5: Solve for x
    x = 167,365,969/8,894
  6. Step 6: Final answer
    x = 18,817.85

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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.