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Finding the Third Proportional to 179,497,631 and 393,045,886

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Solution

The third proportional to 179,497,631 and 393,045,886 is: 860,652,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,497,631 : 393,045,886 = 393,045,886 : x
  2. Step 2: Convert to fraction form
    179,497,631/393,045,886 = 393,045,886/x
  3. Step 3: Cross multiply
    179,497,631x = 393,045,886 × 393,045,886
  4. Step 4: Simplify right side
    179,497,631x = 154,485,068,501,524,992
  5. Step 5: Solve for x
    x = 154,485,068,501,524,992/179,497,631
  6. Step 6: Final answer
    x = 860,652,408.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.