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Finding the Third Proportional to 2,165.06 and 3,977.44

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Solution

The third proportional to 2,165.06 and 3,977.44 is: 7,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.06 : 3,977.44 = 3,977.44 : x
  2. Step 2: Convert to fraction form
    2,165.06/3,977.44 = 3,977.44/x
  3. Step 3: Cross multiply
    2,165.06x = 3,977.44 × 3,977.44
  4. Step 4: Simplify right side
    2,165.06x = 15,820,009.07
  5. Step 5: Solve for x
    x = 15,820,009.07/2,165.06
  6. Step 6: Final answer
    x = 7,306.95

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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.