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Finding the Third Proportional to 4,311,912 and 9,388,800

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Solution

The third proportional to 4,311,912 and 9,388,800 is: 20,443,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311,912 : 9,388,800 = 9,388,800 : x
  2. Step 2: Convert to fraction form
    4,311,912/9,388,800 = 9,388,800/x
  3. Step 3: Cross multiply
    4,311,912x = 9,388,800 × 9,388,800
  4. Step 4: Simplify right side
    4,311,912x = 88,149,565,440,000
  5. Step 5: Solve for x
    x = 88,149,565,440,000/4,311,912
  6. Step 6: Final answer
    x = 20,443,266.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.