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Finding the Third Proportional to 1,668 and 3,848

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Solution

The third proportional to 1,668 and 3,848 is: 8,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668 : 3,848 = 3,848 : x
  2. Step 2: Convert to fraction form
    1,668/3,848 = 3,848/x
  3. Step 3: Cross multiply
    1,668x = 3,848 × 3,848
  4. Step 4: Simplify right side
    1,668x = 14,807,104
  5. Step 5: Solve for x
    x = 14,807,104/1,668
  6. Step 6: Final answer
    x = 8,877.16

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.