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Finding the Third Proportional to 4,213,911 and 9,067,365

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Solution

The third proportional to 4,213,911 and 9,067,365 is: 19,510,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,911 : 9,067,365 = 9,067,365 : x
  2. Step 2: Convert to fraction form
    4,213,911/9,067,365 = 9,067,365/x
  3. Step 3: Cross multiply
    4,213,911x = 9,067,365 × 9,067,365
  4. Step 4: Simplify right side
    4,213,911x = 82,217,108,043,225
  5. Step 5: Solve for x
    x = 82,217,108,043,225/4,213,911
  6. Step 6: Final answer
    x = 19,510,879.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.