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Finding the Third Proportional to 4,167 and 9,001

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Solution

The third proportional to 4,167 and 9,001 is: 19,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167 : 9,001 = 9,001 : x
  2. Step 2: Convert to fraction form
    4,167/9,001 = 9,001/x
  3. Step 3: Cross multiply
    4,167x = 9,001 × 9,001
  4. Step 4: Simplify right side
    4,167x = 81,018,001
  5. Step 5: Solve for x
    x = 81,018,001/4,167
  6. Step 6: Final answer
    x = 19,442.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.