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Finding the Third Proportional to 1,406.06 and 3,076.97

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Solution

The third proportional to 1,406.06 and 3,076.97 is: 6,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.06 : 3,076.97 = 3,076.97 : x
  2. Step 2: Convert to fraction form
    1,406.06/3,076.97 = 3,076.97/x
  3. Step 3: Cross multiply
    1,406.06x = 3,076.97 × 3,076.97
  4. Step 4: Simplify right side
    1,406.06x = 9,467,736.69
  5. Step 5: Solve for x
    x = 9,467,736.69/1,406.06
  6. Step 6: Final answer
    x = 6,733.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.