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Finding the Third Proportional to 4,408,416 and 9,345,888

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Solution

The third proportional to 4,408,416 and 9,345,888 is: 19,813,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408,416 : 9,345,888 = 9,345,888 : x
  2. Step 2: Convert to fraction form
    4,408,416/9,345,888 = 9,345,888/x
  3. Step 3: Cross multiply
    4,408,416x = 9,345,888 × 9,345,888
  4. Step 4: Simplify right side
    4,408,416x = 87,345,622,508,544
  5. Step 5: Solve for x
    x = 87,345,622,508,544/4,408,416
  6. Step 6: Final answer
    x = 19,813,380.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.