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Finding the Third Proportional to 8,747 and 9,683

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Solution

The third proportional to 8,747 and 9,683 is: 10,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747 : 9,683 = 9,683 : x
  2. Step 2: Convert to fraction form
    8,747/9,683 = 9,683/x
  3. Step 3: Cross multiply
    8,747x = 9,683 × 9,683
  4. Step 4: Simplify right side
    8,747x = 93,760,489
  5. Step 5: Solve for x
    x = 93,760,489/8,747
  6. Step 6: Final answer
    x = 10,719.16

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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.