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Finding the Third Proportional to 3,747 and 8,683.50

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Solution

The third proportional to 3,747 and 8,683.50 is: 20,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747 : 8,683.50 = 8,683.50 : x
  2. Step 2: Convert to fraction form
    3,747/8,683.50 = 8,683.50/x
  3. Step 3: Cross multiply
    3,747x = 8,683.50 × 8,683.50
  4. Step 4: Simplify right side
    3,747x = 75,403,172.25
  5. Step 5: Solve for x
    x = 75,403,172.25/3,747
  6. Step 6: Final answer
    x = 20,123.61

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.