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Finding the Third Proportional to 8,271 and 19,509

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Solution

The third proportional to 8,271 and 19,509 is: 46,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271 : 19,509 = 19,509 : x
  2. Step 2: Convert to fraction form
    8,271/19,509 = 19,509/x
  3. Step 3: Cross multiply
    8,271x = 19,509 × 19,509
  4. Step 4: Simplify right side
    8,271x = 380,601,081
  5. Step 5: Solve for x
    x = 380,601,081/8,271
  6. Step 6: Final answer
    x = 46,016.33

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.