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Finding the Third Proportional to 63,669,330 and 137,504,772

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Solution

The third proportional to 63,669,330 and 137,504,772 is: 296,964,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669,330 : 137,504,772 = 137,504,772 : x
  2. Step 2: Convert to fraction form
    63,669,330/137,504,772 = 137,504,772/x
  3. Step 3: Cross multiply
    63,669,330x = 137,504,772 × 137,504,772
  4. Step 4: Simplify right side
    63,669,330x = 18,907,562,322,771,984
  5. Step 5: Solve for x
    x = 18,907,562,322,771,984/63,669,330
  6. Step 6: Final answer
    x = 296,964,995.91

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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.