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Finding the Third Proportional to 2,513 and 3,907

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Solution

The third proportional to 2,513 and 3,907 is: 6,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513 : 3,907 = 3,907 : x
  2. Step 2: Convert to fraction form
    2,513/3,907 = 3,907/x
  3. Step 3: Cross multiply
    2,513x = 3,907 × 3,907
  4. Step 4: Simplify right side
    2,513x = 15,264,649
  5. Step 5: Solve for x
    x = 15,264,649/2,513
  6. Step 6: Final answer
    x = 6,074.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.