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Finding the Third Proportional to 9,074 and 13,908

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Solution

The third proportional to 9,074 and 13,908 is: 21,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074 : 13,908 = 13,908 : x
  2. Step 2: Convert to fraction form
    9,074/13,908 = 13,908/x
  3. Step 3: Cross multiply
    9,074x = 13,908 × 13,908
  4. Step 4: Simplify right side
    9,074x = 193,432,464
  5. Step 5: Solve for x
    x = 193,432,464/9,074
  6. Step 6: Final answer
    x = 21,317.22

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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.