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Finding the Third Proportional to 10,136,575.50 and 20,991,745.50

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Solution

The third proportional to 10,136,575.50 and 20,991,745.50 is: 43,471,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,575.50 : 20,991,745.50 = 20,991,745.50 : x
  2. Step 2: Convert to fraction form
    10,136,575.50/20,991,745.50 = 20,991,745.50/x
  3. Step 3: Cross multiply
    10,136,575.50x = 20,991,745.50 × 20,991,745.50
  4. Step 4: Simplify right side
    10,136,575.50x = 440,653,379,136,770.25
  5. Step 5: Solve for x
    x = 440,653,379,136,770.25/10,136,575.50
  6. Step 6: Final answer
    x = 43,471,622.06

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.