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Finding the Third Proportional to 979,664,962 and 2,115,175,544

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Solution

The third proportional to 979,664,962 and 2,115,175,544 is: 4,566,834,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,664,962 : 2,115,175,544 = 2,115,175,544 : x
  2. Step 2: Convert to fraction form
    979,664,962/2,115,175,544 = 2,115,175,544/x
  3. Step 3: Cross multiply
    979,664,962x = 2,115,175,544 × 2,115,175,544
  4. Step 4: Simplify right side
    979,664,962x = 4,473,967,581,935,695,872
  5. Step 5: Solve for x
    x = 4,473,967,581,935,695,872/979,664,962
  6. Step 6: Final answer
    x = 4,566,834,331.61

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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.