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Finding the Third Proportional to 12,168 and 18,952

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Solution

The third proportional to 12,168 and 18,952 is: 29,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168 : 18,952 = 18,952 : x
  2. Step 2: Convert to fraction form
    12,168/18,952 = 18,952/x
  3. Step 3: Cross multiply
    12,168x = 18,952 × 18,952
  4. Step 4: Simplify right side
    12,168x = 359,178,304
  5. Step 5: Solve for x
    x = 359,178,304/12,168
  6. Step 6: Final answer
    x = 29,518.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.