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Finding the Third Proportional to 14,424 and 21,089

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Solution

The third proportional to 14,424 and 21,089 is: 30,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424 : 21,089 = 21,089 : x
  2. Step 2: Convert to fraction form
    14,424/21,089 = 21,089/x
  3. Step 3: Cross multiply
    14,424x = 21,089 × 21,089
  4. Step 4: Simplify right side
    14,424x = 444,745,921
  5. Step 5: Solve for x
    x = 444,745,921/14,424
  6. Step 6: Final answer
    x = 30,833.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.