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Finding the Third Proportional to 3,904,895.25 and 8,481,452.63

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Solution

The third proportional to 3,904,895.25 and 8,481,452.63 is: 18,421,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,895.25 : 8,481,452.63 = 8,481,452.63 : x
  2. Step 2: Convert to fraction form
    3,904,895.25/8,481,452.63 = 8,481,452.63/x
  3. Step 3: Cross multiply
    3,904,895.25x = 8,481,452.63 × 8,481,452.63
  4. Step 4: Simplify right side
    3,904,895.25x = 71,935,038,630,119.39
  5. Step 5: Solve for x
    x = 71,935,038,630,119.39/3,904,895.25
  6. Step 6: Final answer
    x = 18,421,758.85

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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.