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Finding the Third Proportional to 7,846 and 18,508

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Solution

The third proportional to 7,846 and 18,508 is: 43,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846 : 18,508 = 18,508 : x
  2. Step 2: Convert to fraction form
    7,846/18,508 = 18,508/x
  3. Step 3: Cross multiply
    7,846x = 18,508 × 18,508
  4. Step 4: Simplify right side
    7,846x = 342,546,064
  5. Step 5: Solve for x
    x = 342,546,064/7,846
  6. Step 6: Final answer
    x = 43,658.69

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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.