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Finding the Third Proportional to 4,047,759 and 8,768,123

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Solution

The third proportional to 4,047,759 and 8,768,123 is: 18,993,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047,759 : 8,768,123 = 8,768,123 : x
  2. Step 2: Convert to fraction form
    4,047,759/8,768,123 = 8,768,123/x
  3. Step 3: Cross multiply
    4,047,759x = 8,768,123 × 8,768,123
  4. Step 4: Simplify right side
    4,047,759x = 76,879,980,943,129
  5. Step 5: Solve for x
    x = 76,879,980,943,129/4,047,759
  6. Step 6: Final answer
    x = 18,993,220.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.