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Finding the Third Proportional to 161,860,838 and 356,006,718

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Solution

The third proportional to 161,860,838 and 356,006,718 is: 783,023,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860,838 : 356,006,718 = 356,006,718 : x
  2. Step 2: Convert to fraction form
    161,860,838/356,006,718 = 356,006,718/x
  3. Step 3: Cross multiply
    161,860,838x = 356,006,718 × 356,006,718
  4. Step 4: Simplify right side
    161,860,838x = 126,740,783,261,131,520
  5. Step 5: Solve for x
    x = 126,740,783,261,131,520/161,860,838
  6. Step 6: Final answer
    x = 783,023,150.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.