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Finding the Third Proportional to 4,394 and 6,170

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Solution

The third proportional to 4,394 and 6,170 is: 8,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394 : 6,170 = 6,170 : x
  2. Step 2: Convert to fraction form
    4,394/6,170 = 6,170/x
  3. Step 3: Cross multiply
    4,394x = 6,170 × 6,170
  4. Step 4: Simplify right side
    4,394x = 38,068,900
  5. Step 5: Solve for x
    x = 38,068,900/4,394
  6. Step 6: Final answer
    x = 8,663.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.