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Finding the Third Proportional to 1,955 and 5,279

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Solution

The third proportional to 1,955 and 5,279 is: 14,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955 : 5,279 = 5,279 : x
  2. Step 2: Convert to fraction form
    1,955/5,279 = 5,279/x
  3. Step 3: Cross multiply
    1,955x = 5,279 × 5,279
  4. Step 4: Simplify right side
    1,955x = 27,867,841
  5. Step 5: Solve for x
    x = 27,867,841/1,955
  6. Step 6: Final answer
    x = 14,254.65

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.