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Finding the Third Proportional to 1,336 and 3,084

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Solution

The third proportional to 1,336 and 3,084 is: 7,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336 : 3,084 = 3,084 : x
  2. Step 2: Convert to fraction form
    1,336/3,084 = 3,084/x
  3. Step 3: Cross multiply
    1,336x = 3,084 × 3,084
  4. Step 4: Simplify right side
    1,336x = 9,511,056
  5. Step 5: Solve for x
    x = 9,511,056/1,336
  6. Step 6: Final answer
    x = 7,119.05

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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.