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Finding the Third Proportional to 5,530,785 and 8,372,955

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Solution

The third proportional to 5,530,785 and 8,372,955 is: 12,675,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530,785 : 8,372,955 = 8,372,955 : x
  2. Step 2: Convert to fraction form
    5,530,785/8,372,955 = 8,372,955/x
  3. Step 3: Cross multiply
    5,530,785x = 8,372,955 × 8,372,955
  4. Step 4: Simplify right side
    5,530,785x = 70,106,375,432,025
  5. Step 5: Solve for x
    x = 70,106,375,432,025/5,530,785
  6. Step 6: Final answer
    x = 12,675,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.