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Finding the Third Proportional to 8,045 and 19,379

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Solution

The third proportional to 8,045 and 19,379 is: 46,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045 : 19,379 = 19,379 : x
  2. Step 2: Convert to fraction form
    8,045/19,379 = 19,379/x
  3. Step 3: Cross multiply
    8,045x = 19,379 × 19,379
  4. Step 4: Simplify right side
    8,045x = 375,545,641
  5. Step 5: Solve for x
    x = 375,545,641/8,045
  6. Step 6: Final answer
    x = 46,680.63

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.