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Finding the Third Proportional to 133,647,701 and 212,661,888

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Solution

The third proportional to 133,647,701 and 212,661,888 is: 338,390,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,647,701 : 212,661,888 = 212,661,888 : x
  2. Step 2: Convert to fraction form
    133,647,701/212,661,888 = 212,661,888/x
  3. Step 3: Cross multiply
    133,647,701x = 212,661,888 × 212,661,888
  4. Step 4: Simplify right side
    133,647,701x = 45,225,078,607,724,544
  5. Step 5: Solve for x
    x = 45,225,078,607,724,544/133,647,701
  6. Step 6: Final answer
    x = 338,390,247.41

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.