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Finding the Third Proportional to 13,821,721 and 29,992,856

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Solution

The third proportional to 13,821,721 and 29,992,856 is: 65,083,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,721 : 29,992,856 = 29,992,856 : x
  2. Step 2: Convert to fraction form
    13,821,721/29,992,856 = 29,992,856/x
  3. Step 3: Cross multiply
    13,821,721x = 29,992,856 × 29,992,856
  4. Step 4: Simplify right side
    13,821,721x = 899,571,411,036,736
  5. Step 5: Solve for x
    x = 899,571,411,036,736/13,821,721
  6. Step 6: Final answer
    x = 65,083,893.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.