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Finding the Third Proportional to 2,494 and 2,842

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Solution

The third proportional to 2,494 and 2,842 is: 3,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494 : 2,842 = 2,842 : x
  2. Step 2: Convert to fraction form
    2,494/2,842 = 2,842/x
  3. Step 3: Cross multiply
    2,494x = 2,842 × 2,842
  4. Step 4: Simplify right side
    2,494x = 8,076,964
  5. Step 5: Solve for x
    x = 8,076,964/2,494
  6. Step 6: Final answer
    x = 3,238.56

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.