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Finding the Third Proportional to 2,004 and 4,020

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Solution

The third proportional to 2,004 and 4,020 is: 8,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004 : 4,020 = 4,020 : x
  2. Step 2: Convert to fraction form
    2,004/4,020 = 4,020/x
  3. Step 3: Cross multiply
    2,004x = 4,020 × 4,020
  4. Step 4: Simplify right side
    2,004x = 16,160,400
  5. Step 5: Solve for x
    x = 16,160,400/2,004
  6. Step 6: Final answer
    x = 8,064.07

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.