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Finding the Third Proportional to 47,379 and 102,045

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Solution

The third proportional to 47,379 and 102,045 is: 219,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379 : 102,045 = 102,045 : x
  2. Step 2: Convert to fraction form
    47,379/102,045 = 102,045/x
  3. Step 3: Cross multiply
    47,379x = 102,045 × 102,045
  4. Step 4: Simplify right side
    47,379x = 10,413,182,025
  5. Step 5: Solve for x
    x = 10,413,182,025/47,379
  6. Step 6: Final answer
    x = 219,784.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.