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Finding the Third Proportional to 4,430 and 8,167

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Solution

The third proportional to 4,430 and 8,167 is: 15,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430 : 8,167 = 8,167 : x
  2. Step 2: Convert to fraction form
    4,430/8,167 = 8,167/x
  3. Step 3: Cross multiply
    4,430x = 8,167 × 8,167
  4. Step 4: Simplify right side
    4,430x = 66,699,889
  5. Step 5: Solve for x
    x = 66,699,889/4,430
  6. Step 6: Final answer
    x = 15,056.41

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.