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Finding the Third Proportional to 4,551,641 and 9,777,994

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Solution

The third proportional to 4,551,641 and 9,777,994 is: 21,005,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551,641 : 9,777,994 = 9,777,994 : x
  2. Step 2: Convert to fraction form
    4,551,641/9,777,994 = 9,777,994/x
  3. Step 3: Cross multiply
    4,551,641x = 9,777,994 × 9,777,994
  4. Step 4: Simplify right side
    4,551,641x = 95,609,166,664,036
  5. Step 5: Solve for x
    x = 95,609,166,664,036/4,551,641
  6. Step 6: Final answer
    x = 21,005,427.86

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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.