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Finding the Third Proportional to 13,643,791.88 and 20,444,668.31

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Solution

The third proportional to 13,643,791.88 and 20,444,668.31 is: 30,635,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,791.88 : 20,444,668.31 = 20,444,668.31 : x
  2. Step 2: Convert to fraction form
    13,643,791.88/20,444,668.31 = 20,444,668.31/x
  3. Step 3: Cross multiply
    13,643,791.88x = 20,444,668.31 × 20,444,668.31
  4. Step 4: Simplify right side
    13,643,791.88x = 417,984,462,408,141.62
  5. Step 5: Solve for x
    x = 417,984,462,408,141.62/13,643,791.88
  6. Step 6: Final answer
    x = 30,635,505.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.