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Finding the Third Proportional to 3,921,952,831 and 8,403,423,724

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Solution

The third proportional to 3,921,952,831 and 8,403,423,724 is: 18,005,706,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,952,831 : 8,403,423,724 = 8,403,423,724 : x
  2. Step 2: Convert to fraction form
    3,921,952,831/8,403,423,724 = 8,403,423,724/x
  3. Step 3: Cross multiply
    3,921,952,831x = 8,403,423,724 × 8,403,423,724
  4. Step 4: Simplify right side
    3,921,952,831x = 70,617,530,285,086,031,872
  5. Step 5: Solve for x
    x = 70,617,530,285,086,031,872/3,921,952,831
  6. Step 6: Final answer
    x = 18,005,706,169.36

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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.