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Finding the Third Proportional to 201,913,848 and 439,204,851

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Solution

The third proportional to 201,913,848 and 439,204,851 is: 955,362,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,913,848 : 439,204,851 = 439,204,851 : x
  2. Step 2: Convert to fraction form
    201,913,848/439,204,851 = 439,204,851/x
  3. Step 3: Cross multiply
    201,913,848x = 439,204,851 × 439,204,851
  4. Step 4: Simplify right side
    201,913,848x = 192,900,901,141,932,192
  5. Step 5: Solve for x
    x = 192,900,901,141,932,192/201,913,848
  6. Step 6: Final answer
    x = 955,362,413.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.