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Finding the Third Proportional to 92,152,879 and 197,981,698

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Solution

The third proportional to 92,152,879 and 197,981,698 is: 425,344,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,152,879 : 197,981,698 = 197,981,698 : x
  2. Step 2: Convert to fraction form
    92,152,879/197,981,698 = 197,981,698/x
  3. Step 3: Cross multiply
    92,152,879x = 197,981,698 × 197,981,698
  4. Step 4: Simplify right side
    92,152,879x = 39,196,752,742,963,200
  5. Step 5: Solve for x
    x = 39,196,752,742,963,200/92,152,879
  6. Step 6: Final answer
    x = 425,344,852.69

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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.