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Finding the Third Proportional to 2,435 and 2,699

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Solution

The third proportional to 2,435 and 2,699 is: 2,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435 : 2,699 = 2,699 : x
  2. Step 2: Convert to fraction form
    2,435/2,699 = 2,699/x
  3. Step 3: Cross multiply
    2,435x = 2,699 × 2,699
  4. Step 4: Simplify right side
    2,435x = 7,284,601
  5. Step 5: Solve for x
    x = 7,284,601/2,435
  6. Step 6: Final answer
    x = 2,991.62

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.