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Finding the Third Proportional to 2,220,579 and 4,777,956

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Solution

The third proportional to 2,220,579 and 4,777,956 is: 10,280,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,579 : 4,777,956 = 4,777,956 : x
  2. Step 2: Convert to fraction form
    2,220,579/4,777,956 = 4,777,956/x
  3. Step 3: Cross multiply
    2,220,579x = 4,777,956 × 4,777,956
  4. Step 4: Simplify right side
    2,220,579x = 22,828,863,537,936
  5. Step 5: Solve for x
    x = 22,828,863,537,936/2,220,579
  6. Step 6: Final answer
    x = 10,280,590.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.