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Finding the Third Proportional to 121,044,168 and 259,721,844

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Solution

The third proportional to 121,044,168 and 259,721,844 is: 557,279,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044,168 : 259,721,844 = 259,721,844 : x
  2. Step 2: Convert to fraction form
    121,044,168/259,721,844 = 259,721,844/x
  3. Step 3: Cross multiply
    121,044,168x = 259,721,844 × 259,721,844
  4. Step 4: Simplify right side
    121,044,168x = 67,455,436,250,760,336
  5. Step 5: Solve for x
    x = 67,455,436,250,760,336/121,044,168
  6. Step 6: Final answer
    x = 557,279,523.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.