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Finding the Third Proportional to 4,545,408.94 and 9,811,857.94

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Solution

The third proportional to 4,545,408.94 and 9,811,857.94 is: 21,180,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545,408.94 : 9,811,857.94 = 9,811,857.94 : x
  2. Step 2: Convert to fraction form
    4,545,408.94/9,811,857.94 = 9,811,857.94/x
  3. Step 3: Cross multiply
    4,545,408.94x = 9,811,857.94 × 9,811,857.94
  4. Step 4: Simplify right side
    4,545,408.94x = 96,272,556,185,681.75
  5. Step 5: Solve for x
    x = 96,272,556,185,681.75/4,545,408.94
  6. Step 6: Final answer
    x = 21,180,174.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.