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Finding the Third Proportional to 1,404 and 2,722.78

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Solution

The third proportional to 1,404 and 2,722.78 is: 5,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404 : 2,722.78 = 2,722.78 : x
  2. Step 2: Convert to fraction form
    1,404/2,722.78 = 2,722.78/x
  3. Step 3: Cross multiply
    1,404x = 2,722.78 × 2,722.78
  4. Step 4: Simplify right side
    1,404x = 7,413,537.74
  5. Step 5: Solve for x
    x = 7,413,537.74/1,404
  6. Step 6: Final answer
    x = 5,280.30

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.