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Finding the Third Proportional to 63,261,044 and 138,121,936

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Solution

The third proportional to 63,261,044 and 138,121,936 is: 301,570,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,261,044 : 138,121,936 = 138,121,936 : x
  2. Step 2: Convert to fraction form
    63,261,044/138,121,936 = 138,121,936/x
  3. Step 3: Cross multiply
    63,261,044x = 138,121,936 × 138,121,936
  4. Step 4: Simplify right side
    63,261,044x = 19,077,669,204,388,096
  5. Step 5: Solve for x
    x = 19,077,669,204,388,096/63,261,044
  6. Step 6: Final answer
    x = 301,570,571.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.