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Finding the Third Proportional to 103,469,958 and 143,865,261

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Solution

The third proportional to 103,469,958 and 143,865,261 is: 200,031,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469,958 : 143,865,261 = 143,865,261 : x
  2. Step 2: Convert to fraction form
    103,469,958/143,865,261 = 143,865,261/x
  3. Step 3: Cross multiply
    103,469,958x = 143,865,261 × 143,865,261
  4. Step 4: Simplify right side
    103,469,958x = 20,697,213,322,598,120
  5. Step 5: Solve for x
    x = 20,697,213,322,598,120/103,469,958
  6. Step 6: Final answer
    x = 200,031,136.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.