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Finding the Third Proportional to 14,907 and 20,894

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Solution

The third proportional to 14,907 and 20,894 is: 29,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907 : 20,894 = 20,894 : x
  2. Step 2: Convert to fraction form
    14,907/20,894 = 20,894/x
  3. Step 3: Cross multiply
    14,907x = 20,894 × 20,894
  4. Step 4: Simplify right side
    14,907x = 436,559,236
  5. Step 5: Solve for x
    x = 436,559,236/14,907
  6. Step 6: Final answer
    x = 29,285.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.