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Finding the Third Proportional to 6,231 and 6,783

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Solution

The third proportional to 6,231 and 6,783 is: 7,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231 : 6,783 = 6,783 : x
  2. Step 2: Convert to fraction form
    6,231/6,783 = 6,783/x
  3. Step 3: Cross multiply
    6,231x = 6,783 × 6,783
  4. Step 4: Simplify right side
    6,231x = 46,009,089
  5. Step 5: Solve for x
    x = 46,009,089/6,231
  6. Step 6: Final answer
    x = 7,383.90

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.