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Finding the Third Proportional to 30,794 and 66,395

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Solution

The third proportional to 30,794 and 66,395 is: 143,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,794 : 66,395 = 66,395 : x
  2. Step 2: Convert to fraction form
    30,794/66,395 = 66,395/x
  3. Step 3: Cross multiply
    30,794x = 66,395 × 66,395
  4. Step 4: Simplify right side
    30,794x = 4,408,296,025
  5. Step 5: Solve for x
    x = 4,408,296,025/30,794
  6. Step 6: Final answer
    x = 143,154.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.