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Finding the Third Proportional to 6,828 and 9,308

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Solution

The third proportional to 6,828 and 9,308 is: 12,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828 : 9,308 = 9,308 : x
  2. Step 2: Convert to fraction form
    6,828/9,308 = 9,308/x
  3. Step 3: Cross multiply
    6,828x = 9,308 × 9,308
  4. Step 4: Simplify right side
    6,828x = 86,638,864
  5. Step 5: Solve for x
    x = 86,638,864/6,828
  6. Step 6: Final answer
    x = 12,688.76

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.