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Finding the Third Proportional to 79,901,873,647 and 173,869,699,329

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Solution

The third proportional to 79,901,873,647 and 173,869,699,329 is: 378,347,477,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901,873,647 : 173,869,699,329 = 173,869,699,329 : x
  2. Step 2: Convert to fraction form
    79,901,873,647/173,869,699,329 = 173,869,699,329/x
  3. Step 3: Cross multiply
    79,901,873,647x = 173,869,699,329 × 173,869,699,329
  4. Step 4: Simplify right side
    79,901,873,647x = 30,230,672,344,756,862,844,928
  5. Step 5: Solve for x
    x = 30,230,672,344,756,862,844,928/79,901,873,647
  6. Step 6: Final answer
    x = 378,347,477,536.18

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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.