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Finding the Third Proportional to 9,104 and 13,919

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Solution

The third proportional to 9,104 and 13,919 is: 21,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104 : 13,919 = 13,919 : x
  2. Step 2: Convert to fraction form
    9,104/13,919 = 13,919/x
  3. Step 3: Cross multiply
    9,104x = 13,919 × 13,919
  4. Step 4: Simplify right side
    9,104x = 193,738,561
  5. Step 5: Solve for x
    x = 193,738,561/9,104
  6. Step 6: Final answer
    x = 21,280.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.