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Finding the Third Proportional to 1,139 and 2,366

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Solution

The third proportional to 1,139 and 2,366 is: 4,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139 : 2,366 = 2,366 : x
  2. Step 2: Convert to fraction form
    1,139/2,366 = 2,366/x
  3. Step 3: Cross multiply
    1,139x = 2,366 × 2,366
  4. Step 4: Simplify right side
    1,139x = 5,597,956
  5. Step 5: Solve for x
    x = 5,597,956/1,139
  6. Step 6: Final answer
    x = 4,914.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.