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Finding the Third Proportional to 156,208,698 and 335,926,279

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Solution

The third proportional to 156,208,698 and 335,926,279 is: 722,408,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,208,698 : 335,926,279 = 335,926,279 : x
  2. Step 2: Convert to fraction form
    156,208,698/335,926,279 = 335,926,279/x
  3. Step 3: Cross multiply
    156,208,698x = 335,926,279 × 335,926,279
  4. Step 4: Simplify right side
    156,208,698x = 112,846,464,922,785,840
  5. Step 5: Solve for x
    x = 112,846,464,922,785,840/156,208,698
  6. Step 6: Final answer
    x = 722,408,331.72

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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.