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Finding the Third Proportional to 2,616 and 4,011

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Solution

The third proportional to 2,616 and 4,011 is: 6,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616 : 4,011 = 4,011 : x
  2. Step 2: Convert to fraction form
    2,616/4,011 = 4,011/x
  3. Step 3: Cross multiply
    2,616x = 4,011 × 4,011
  4. Step 4: Simplify right side
    2,616x = 16,088,121
  5. Step 5: Solve for x
    x = 16,088,121/2,616
  6. Step 6: Final answer
    x = 6,149.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.