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Finding the Third Proportional to 9,023.50 and 19,379

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Solution

The third proportional to 9,023.50 and 19,379 is: 41,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023.50 : 19,379 = 19,379 : x
  2. Step 2: Convert to fraction form
    9,023.50/19,379 = 19,379/x
  3. Step 3: Cross multiply
    9,023.50x = 19,379 × 19,379
  4. Step 4: Simplify right side
    9,023.50x = 375,545,641
  5. Step 5: Solve for x
    x = 375,545,641/9,023.50
  6. Step 6: Final answer
    x = 41,618.62

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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.