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Finding the Third Proportional to 2,518 and 3,842

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Solution

The third proportional to 2,518 and 3,842 is: 5,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518 : 3,842 = 3,842 : x
  2. Step 2: Convert to fraction form
    2,518/3,842 = 3,842/x
  3. Step 3: Cross multiply
    2,518x = 3,842 × 3,842
  4. Step 4: Simplify right side
    2,518x = 14,760,964
  5. Step 5: Solve for x
    x = 14,760,964/2,518
  6. Step 6: Final answer
    x = 5,862.18

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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.