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Finding the Third Proportional to 1,006 and 2,578

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Solution

The third proportional to 1,006 and 2,578 is: 6,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006 : 2,578 = 2,578 : x
  2. Step 2: Convert to fraction form
    1,006/2,578 = 2,578/x
  3. Step 3: Cross multiply
    1,006x = 2,578 × 2,578
  4. Step 4: Simplify right side
    1,006x = 6,646,084
  5. Step 5: Solve for x
    x = 6,646,084/1,006
  6. Step 6: Final answer
    x = 6,606.45

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.