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Finding the Third Proportional to 1,997,777.25 and 4,314,770.44

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Solution

The third proportional to 1,997,777.25 and 4,314,770.44 is: 9,318,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,777.25 : 4,314,770.44 = 4,314,770.44 : x
  2. Step 2: Convert to fraction form
    1,997,777.25/4,314,770.44 = 4,314,770.44/x
  3. Step 3: Cross multiply
    1,997,777.25x = 4,314,770.44 × 4,314,770.44
  4. Step 4: Simplify right side
    1,997,777.25x = 18,617,243,928,323.94
  5. Step 5: Solve for x
    x = 18,617,243,928,323.94/1,997,777.25
  6. Step 6: Final answer
    x = 9,318,978.84

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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.