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Finding the Third Proportional to 15,112 and 27,740

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Solution

The third proportional to 15,112 and 27,740 is: 50,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112 : 27,740 = 27,740 : x
  2. Step 2: Convert to fraction form
    15,112/27,740 = 27,740/x
  3. Step 3: Cross multiply
    15,112x = 27,740 × 27,740
  4. Step 4: Simplify right side
    15,112x = 769,507,600
  5. Step 5: Solve for x
    x = 769,507,600/15,112
  6. Step 6: Final answer
    x = 50,920.30

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.