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Finding the Third Proportional to 6,724 and 8,740

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Solution

The third proportional to 6,724 and 8,740 is: 11,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724 : 8,740 = 8,740 : x
  2. Step 2: Convert to fraction form
    6,724/8,740 = 8,740/x
  3. Step 3: Cross multiply
    6,724x = 8,740 × 8,740
  4. Step 4: Simplify right side
    6,724x = 76,387,600
  5. Step 5: Solve for x
    x = 76,387,600/6,724
  6. Step 6: Final answer
    x = 11,360.44

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These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.