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Finding the Third Proportional to 405,531,812 and 832,562,069

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Solution

The third proportional to 405,531,812 and 832,562,069 is: 1,709,260,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,531,812 : 832,562,069 = 832,562,069 : x
  2. Step 2: Convert to fraction form
    405,531,812/832,562,069 = 832,562,069/x
  3. Step 3: Cross multiply
    405,531,812x = 832,562,069 × 832,562,069
  4. Step 4: Simplify right side
    405,531,812x = 693,159,598,737,560,704
  5. Step 5: Solve for x
    x = 693,159,598,737,560,704/405,531,812
  6. Step 6: Final answer
    x = 1,709,260,724.38

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.