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Finding the Third Proportional to 111,917,905 and 263,817,983

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Solution

The third proportional to 111,917,905 and 263,817,983 is: 621,883,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917,905 : 263,817,983 = 263,817,983 : x
  2. Step 2: Convert to fraction form
    111,917,905/263,817,983 = 263,817,983/x
  3. Step 3: Cross multiply
    111,917,905x = 263,817,983 × 263,817,983
  4. Step 4: Simplify right side
    111,917,905x = 69,599,928,154,188,288
  5. Step 5: Solve for x
    x = 69,599,928,154,188,288/111,917,905
  6. Step 6: Final answer
    x = 621,883,765.20

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.