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Finding the Third Proportional to 10,289 and 22,479

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Solution

The third proportional to 10,289 and 22,479 is: 49,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289 : 22,479 = 22,479 : x
  2. Step 2: Convert to fraction form
    10,289/22,479 = 22,479/x
  3. Step 3: Cross multiply
    10,289x = 22,479 × 22,479
  4. Step 4: Simplify right side
    10,289x = 505,305,441
  5. Step 5: Solve for x
    x = 505,305,441/10,289
  6. Step 6: Final answer
    x = 49,111.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.