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Finding the Third Proportional to 577,812 and 1,392,000

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Solution

The third proportional to 577,812 and 1,392,000 is: 3,353,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,812 : 1,392,000 = 1,392,000 : x
  2. Step 2: Convert to fraction form
    577,812/1,392,000 = 1,392,000/x
  3. Step 3: Cross multiply
    577,812x = 1,392,000 × 1,392,000
  4. Step 4: Simplify right side
    577,812x = 1,937,664,000,000
  5. Step 5: Solve for x
    x = 1,937,664,000,000/577,812
  6. Step 6: Final answer
    x = 3,353,450.60

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These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.