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Finding the Third Proportional to 1,395.35 and 2,995.73

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Solution

The third proportional to 1,395.35 and 2,995.73 is: 6,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.35 : 2,995.73 = 2,995.73 : x
  2. Step 2: Convert to fraction form
    1,395.35/2,995.73 = 2,995.73/x
  3. Step 3: Cross multiply
    1,395.35x = 2,995.73 × 2,995.73
  4. Step 4: Simplify right side
    1,395.35x = 8,974,424.45
  5. Step 5: Solve for x
    x = 8,974,424.45/1,395.35
  6. Step 6: Final answer
    x = 6,431.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.