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Finding the Third Proportional to 3,143 and 6,683

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Solution

The third proportional to 3,143 and 6,683 is: 14,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143 : 6,683 = 6,683 : x
  2. Step 2: Convert to fraction form
    3,143/6,683 = 6,683/x
  3. Step 3: Cross multiply
    3,143x = 6,683 × 6,683
  4. Step 4: Simplify right side
    3,143x = 44,662,489
  5. Step 5: Solve for x
    x = 44,662,489/3,143
  6. Step 6: Final answer
    x = 14,210.15

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.