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Finding the Third Proportional to 1,550,978.44 and 3,408,102.75

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Solution

The third proportional to 1,550,978.44 and 3,408,102.75 is: 7,488,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,978.44 : 3,408,102.75 = 3,408,102.75 : x
  2. Step 2: Convert to fraction form
    1,550,978.44/3,408,102.75 = 3,408,102.75/x
  3. Step 3: Cross multiply
    1,550,978.44x = 3,408,102.75 × 3,408,102.75
  4. Step 4: Simplify right side
    1,550,978.44x = 11,615,164,354,557.56
  5. Step 5: Solve for x
    x = 11,615,164,354,557.56/1,550,978.44
  6. Step 6: Final answer
    x = 7,488,927.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.