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Finding the Third Proportional to 6,274 and 6,706

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Solution

The third proportional to 6,274 and 6,706 is: 7,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274 : 6,706 = 6,706 : x
  2. Step 2: Convert to fraction form
    6,274/6,706 = 6,706/x
  3. Step 3: Cross multiply
    6,274x = 6,706 × 6,706
  4. Step 4: Simplify right side
    6,274x = 44,970,436
  5. Step 5: Solve for x
    x = 44,970,436/6,274
  6. Step 6: Final answer
    x = 7,167.75

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.