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Finding the Third Proportional to 4,127 and 9,174

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Solution

The third proportional to 4,127 and 9,174 is: 20,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127 : 9,174 = 9,174 : x
  2. Step 2: Convert to fraction form
    4,127/9,174 = 9,174/x
  3. Step 3: Cross multiply
    4,127x = 9,174 × 9,174
  4. Step 4: Simplify right side
    4,127x = 84,162,276
  5. Step 5: Solve for x
    x = 84,162,276/4,127
  6. Step 6: Final answer
    x = 20,393.09

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.