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Finding the Third Proportional to 3,886,528,519 and 8,392,357,846

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Solution

The third proportional to 3,886,528,519 and 8,392,357,846 is: 18,122,000,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,528,519 : 8,392,357,846 = 8,392,357,846 : x
  2. Step 2: Convert to fraction form
    3,886,528,519/8,392,357,846 = 8,392,357,846/x
  3. Step 3: Cross multiply
    3,886,528,519x = 8,392,357,846 × 8,392,357,846
  4. Step 4: Simplify right side
    3,886,528,519x = 70,431,670,215,317,757,952
  5. Step 5: Solve for x
    x = 70,431,670,215,317,757,952/3,886,528,519
  6. Step 6: Final answer
    x = 18,122,000,101.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.