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Finding the Third Proportional to 3,932,721,544 and 8,426,395,668

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Solution

The third proportional to 3,932,721,544 and 8,426,395,668 is: 18,054,709,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,721,544 : 8,426,395,668 = 8,426,395,668 : x
  2. Step 2: Convert to fraction form
    3,932,721,544/8,426,395,668 = 8,426,395,668/x
  3. Step 3: Cross multiply
    3,932,721,544x = 8,426,395,668 × 8,426,395,668
  4. Step 4: Simplify right side
    3,932,721,544x = 71,004,143,953,689,165,824
  5. Step 5: Solve for x
    x = 71,004,143,953,689,165,824/3,932,721,544
  6. Step 6: Final answer
    x = 18,054,709,228.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.