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Finding the Third Proportional to 2,890 and 6,271

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Solution

The third proportional to 2,890 and 6,271 is: 13,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890 : 6,271 = 6,271 : x
  2. Step 2: Convert to fraction form
    2,890/6,271 = 6,271/x
  3. Step 3: Cross multiply
    2,890x = 6,271 × 6,271
  4. Step 4: Simplify right side
    2,890x = 39,325,441
  5. Step 5: Solve for x
    x = 39,325,441/2,890
  6. Step 6: Final answer
    x = 13,607.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.