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Finding the Third Proportional to 4,028,559,855 and 8,669,339,927

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Solution

The third proportional to 4,028,559,855 and 8,669,339,927 is: 18,656,159,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028,559,855 : 8,669,339,927 = 8,669,339,927 : x
  2. Step 2: Convert to fraction form
    4,028,559,855/8,669,339,927 = 8,669,339,927/x
  3. Step 3: Cross multiply
    4,028,559,855x = 8,669,339,927 × 8,669,339,927
  4. Step 4: Simplify right side
    4,028,559,855x = 75,157,454,769,876,369,408
  5. Step 5: Solve for x
    x = 75,157,454,769,876,369,408/4,028,559,855
  6. Step 6: Final answer
    x = 18,656,159,390.71

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1.5x scale

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.