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Finding the Third Proportional to 6,282 and 6,858

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Solution

The third proportional to 6,282 and 6,858 is: 7,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282 : 6,858 = 6,858 : x
  2. Step 2: Convert to fraction form
    6,282/6,858 = 6,858/x
  3. Step 3: Cross multiply
    6,282x = 6,858 × 6,858
  4. Step 4: Simplify right side
    6,282x = 47,032,164
  5. Step 5: Solve for x
    x = 47,032,164/6,282
  6. Step 6: Final answer
    x = 7,486.81

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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.