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Finding the Third Proportional to 4,621,589 and 9,973,899

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Solution

The third proportional to 4,621,589 and 9,973,899 is: 21,524,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621,589 : 9,973,899 = 9,973,899 : x
  2. Step 2: Convert to fraction form
    4,621,589/9,973,899 = 9,973,899/x
  3. Step 3: Cross multiply
    4,621,589x = 9,973,899 × 9,973,899
  4. Step 4: Simplify right side
    4,621,589x = 99,478,661,262,201
  5. Step 5: Solve for x
    x = 99,478,661,262,201/4,621,589
  6. Step 6: Final answer
    x = 21,524,774.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.