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Finding the Third Proportional to 5,683 and 8,531

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Solution

The third proportional to 5,683 and 8,531 is: 12,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683 : 8,531 = 8,531 : x
  2. Step 2: Convert to fraction form
    5,683/8,531 = 8,531/x
  3. Step 3: Cross multiply
    5,683x = 8,531 × 8,531
  4. Step 4: Simplify right side
    5,683x = 72,777,961
  5. Step 5: Solve for x
    x = 72,777,961/5,683
  6. Step 6: Final answer
    x = 12,806.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.