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Finding the Third Proportional to 90,909,258 and 136,468,863

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Solution

The third proportional to 90,909,258 and 136,468,863 is: 204,860,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,909,258 : 136,468,863 = 136,468,863 : x
  2. Step 2: Convert to fraction form
    90,909,258/136,468,863 = 136,468,863/x
  3. Step 3: Cross multiply
    90,909,258x = 136,468,863 × 136,468,863
  4. Step 4: Simplify right side
    90,909,258x = 18,623,750,568,512,768
  5. Step 5: Solve for x
    x = 18,623,750,568,512,768/90,909,258
  6. Step 6: Final answer
    x = 204,860,879.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.