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Finding the Third Proportional to 9,090,803 and 20,199,517

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Solution

The third proportional to 9,090,803 and 20,199,517 is: 44,882,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,803 : 20,199,517 = 20,199,517 : x
  2. Step 2: Convert to fraction form
    9,090,803/20,199,517 = 20,199,517/x
  3. Step 3: Cross multiply
    9,090,803x = 20,199,517 × 20,199,517
  4. Step 4: Simplify right side
    9,090,803x = 408,020,487,033,289
  5. Step 5: Solve for x
    x = 408,020,487,033,289/9,090,803
  6. Step 6: Final answer
    x = 44,882,777.36

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.