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Finding the Third Proportional to 3,057 and 3,345

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Solution

The third proportional to 3,057 and 3,345 is: 3,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057 : 3,345 = 3,345 : x
  2. Step 2: Convert to fraction form
    3,057/3,345 = 3,345/x
  3. Step 3: Cross multiply
    3,057x = 3,345 × 3,345
  4. Step 4: Simplify right side
    3,057x = 11,189,025
  5. Step 5: Solve for x
    x = 11,189,025/3,057
  6. Step 6: Final answer
    x = 3,660.13

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.