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Finding the Third Proportional to 7,648 and 8,768

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Solution

The third proportional to 7,648 and 8,768 is: 10,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648 : 8,768 = 8,768 : x
  2. Step 2: Convert to fraction form
    7,648/8,768 = 8,768/x
  3. Step 3: Cross multiply
    7,648x = 8,768 × 8,768
  4. Step 4: Simplify right side
    7,648x = 76,877,824
  5. Step 5: Solve for x
    x = 76,877,824/7,648
  6. Step 6: Final answer
    x = 10,052.02

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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.