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Finding the Third Proportional to 889,817 and 2,099,605

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Solution

The third proportional to 889,817 and 2,099,605 is: 4,954,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,817 : 2,099,605 = 2,099,605 : x
  2. Step 2: Convert to fraction form
    889,817/2,099,605 = 2,099,605/x
  3. Step 3: Cross multiply
    889,817x = 2,099,605 × 2,099,605
  4. Step 4: Simplify right side
    889,817x = 4,408,341,156,025
  5. Step 5: Solve for x
    x = 4,408,341,156,025/889,817
  6. Step 6: Final answer
    x = 4,954,210.98

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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.