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Finding the Third Proportional to 10,812 and 15,827

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Solution

The third proportional to 10,812 and 15,827 is: 23,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812 : 15,827 = 15,827 : x
  2. Step 2: Convert to fraction form
    10,812/15,827 = 15,827/x
  3. Step 3: Cross multiply
    10,812x = 15,827 × 15,827
  4. Step 4: Simplify right side
    10,812x = 250,493,929
  5. Step 5: Solve for x
    x = 250,493,929/10,812
  6. Step 6: Final answer
    x = 23,168.14

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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.