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Finding the Third Proportional to 28,881 and 68,823

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Solution

The third proportional to 28,881 and 68,823 is: 164,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881 : 68,823 = 68,823 : x
  2. Step 2: Convert to fraction form
    28,881/68,823 = 68,823/x
  3. Step 3: Cross multiply
    28,881x = 68,823 × 68,823
  4. Step 4: Simplify right side
    28,881x = 4,736,605,329
  5. Step 5: Solve for x
    x = 4,736,605,329/28,881
  6. Step 6: Final answer
    x = 164,004.20

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.