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Finding the Third Proportional to 1,951.75 and 3,470

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Solution

The third proportional to 1,951.75 and 3,470 is: 6,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.75 : 3,470 = 3,470 : x
  2. Step 2: Convert to fraction form
    1,951.75/3,470 = 3,470/x
  3. Step 3: Cross multiply
    1,951.75x = 3,470 × 3,470
  4. Step 4: Simplify right side
    1,951.75x = 12,040,900
  5. Step 5: Solve for x
    x = 12,040,900/1,951.75
  6. Step 6: Final answer
    x = 6,169.28

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.