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Finding the Third Proportional to 51,991,321.50 and 80,462,223

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Solution

The third proportional to 51,991,321.50 and 80,462,223 is: 124,524,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,321.50 : 80,462,223 = 80,462,223 : x
  2. Step 2: Convert to fraction form
    51,991,321.50/80,462,223 = 80,462,223/x
  3. Step 3: Cross multiply
    51,991,321.50x = 80,462,223 × 80,462,223
  4. Step 4: Simplify right side
    51,991,321.50x = 6,474,169,330,101,729
  5. Step 5: Solve for x
    x = 6,474,169,330,101,729/51,991,321.50
  6. Step 6: Final answer
    x = 124,524,038.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.