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Finding the Third Proportional to 4,815,621 and 6,603,399

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Solution

The third proportional to 4,815,621 and 6,603,399 is: 9,054,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,621 : 6,603,399 = 6,603,399 : x
  2. Step 2: Convert to fraction form
    4,815,621/6,603,399 = 6,603,399/x
  3. Step 3: Cross multiply
    4,815,621x = 6,603,399 × 6,603,399
  4. Step 4: Simplify right side
    4,815,621x = 43,604,878,353,201
  5. Step 5: Solve for x
    x = 43,604,878,353,201/4,815,621
  6. Step 6: Final answer
    x = 9,054,881.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.