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Finding the Third Proportional to 4,146 and 6,279

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Solution

The third proportional to 4,146 and 6,279 is: 9,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146 : 6,279 = 6,279 : x
  2. Step 2: Convert to fraction form
    4,146/6,279 = 6,279/x
  3. Step 3: Cross multiply
    4,146x = 6,279 × 6,279
  4. Step 4: Simplify right side
    4,146x = 39,425,841
  5. Step 5: Solve for x
    x = 39,425,841/4,146
  6. Step 6: Final answer
    x = 9,509.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.