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Finding the Third Proportional to 4,028,559,853 and 8,669,339,920

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Solution

The third proportional to 4,028,559,853 and 8,669,339,920 is: 18,656,159,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028,559,853 : 8,669,339,920 = 8,669,339,920 : x
  2. Step 2: Convert to fraction form
    4,028,559,853/8,669,339,920 = 8,669,339,920/x
  3. Step 3: Cross multiply
    4,028,559,853x = 8,669,339,920 × 8,669,339,920
  4. Step 4: Simplify right side
    4,028,559,853x = 75,157,454,648,505,614,336
  5. Step 5: Solve for x
    x = 75,157,454,648,505,614,336/4,028,559,853
  6. Step 6: Final answer
    x = 18,656,159,369.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.