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Finding the Third Proportional to 5,155,027 and 7,101,085

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Solution

The third proportional to 5,155,027 and 7,101,085 is: 9,781,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,027 : 7,101,085 = 7,101,085 : x
  2. Step 2: Convert to fraction form
    5,155,027/7,101,085 = 7,101,085/x
  3. Step 3: Cross multiply
    5,155,027x = 7,101,085 × 7,101,085
  4. Step 4: Simplify right side
    5,155,027x = 50,425,408,177,225
  5. Step 5: Solve for x
    x = 50,425,408,177,225/5,155,027
  6. Step 6: Final answer
    x = 9,781,793.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.