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Finding the Third Proportional to 4,405 and 9,089

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Solution

The third proportional to 4,405 and 9,089 is: 18,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405 : 9,089 = 9,089 : x
  2. Step 2: Convert to fraction form
    4,405/9,089 = 9,089/x
  3. Step 3: Cross multiply
    4,405x = 9,089 × 9,089
  4. Step 4: Simplify right side
    4,405x = 82,609,921
  5. Step 5: Solve for x
    x = 82,609,921/4,405
  6. Step 6: Final answer
    x = 18,753.67

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.