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Finding the Third Proportional to 8,127 and 12,795

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Solution

The third proportional to 8,127 and 12,795 is: 20,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127 : 12,795 = 12,795 : x
  2. Step 2: Convert to fraction form
    8,127/12,795 = 12,795/x
  3. Step 3: Cross multiply
    8,127x = 12,795 × 12,795
  4. Step 4: Simplify right side
    8,127x = 163,712,025
  5. Step 5: Solve for x
    x = 163,712,025/8,127
  6. Step 6: Final answer
    x = 20,144.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.