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Finding the Third Proportional to 8,849 and 18,415

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Solution

The third proportional to 8,849 and 18,415 is: 38,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849 : 18,415 = 18,415 : x
  2. Step 2: Convert to fraction form
    8,849/18,415 = 18,415/x
  3. Step 3: Cross multiply
    8,849x = 18,415 × 18,415
  4. Step 4: Simplify right side
    8,849x = 339,112,225
  5. Step 5: Solve for x
    x = 339,112,225/8,849
  6. Step 6: Final answer
    x = 38,322.10

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.