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Finding the Third Proportional to 6,364 and 7,036

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Solution

The third proportional to 6,364 and 7,036 is: 7,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364 : 7,036 = 7,036 : x
  2. Step 2: Convert to fraction form
    6,364/7,036 = 7,036/x
  3. Step 3: Cross multiply
    6,364x = 7,036 × 7,036
  4. Step 4: Simplify right side
    6,364x = 49,505,296
  5. Step 5: Solve for x
    x = 49,505,296/6,364
  6. Step 6: Final answer
    x = 7,778.96

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.