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Finding the Third Proportional to 10,987,648.31 and 16,163,879.06

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Solution

The third proportional to 10,987,648.31 and 16,163,879.06 is: 23,778,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,648.31 : 16,163,879.06 = 16,163,879.06 : x
  2. Step 2: Convert to fraction form
    10,987,648.31/16,163,879.06 = 16,163,879.06/x
  3. Step 3: Cross multiply
    10,987,648.31x = 16,163,879.06 × 16,163,879.06
  4. Step 4: Simplify right side
    10,987,648.31x = 261,270,986,347,125.88
  5. Step 5: Solve for x
    x = 261,270,986,347,125.88/10,987,648.31
  6. Step 6: Final answer
    x = 23,778,608.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.