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Finding the Third Proportional to 6,230 and 7,873

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Solution

The third proportional to 6,230 and 7,873 is: 9,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230 : 7,873 = 7,873 : x
  2. Step 2: Convert to fraction form
    6,230/7,873 = 7,873/x
  3. Step 3: Cross multiply
    6,230x = 7,873 × 7,873
  4. Step 4: Simplify right side
    6,230x = 61,984,129
  5. Step 5: Solve for x
    x = 61,984,129/6,230
  6. Step 6: Final answer
    x = 9,949.30

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.