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Finding the Third Proportional to 15,408 and 23,112

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Solution

The third proportional to 15,408 and 23,112 is: 34,668

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408 : 23,112 = 23,112 : x
  2. Step 2: Convert to fraction form
    15,408/23,112 = 23,112/x
  3. Step 3: Cross multiply
    15,408x = 23,112 × 23,112
  4. Step 4: Simplify right side
    15,408x = 534,164,544
  5. Step 5: Solve for x
    x = 534,164,544/15,408
  6. Step 6: Final answer
    x = 34,668

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.