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Finding the Third Proportional to 9,021,098 and 19,670,812

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Solution

The third proportional to 9,021,098 and 19,670,812 is: 42,892,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,098 : 19,670,812 = 19,670,812 : x
  2. Step 2: Convert to fraction form
    9,021,098/19,670,812 = 19,670,812/x
  3. Step 3: Cross multiply
    9,021,098x = 19,670,812 × 19,670,812
  4. Step 4: Simplify right side
    9,021,098x = 386,940,844,739,344
  5. Step 5: Solve for x
    x = 386,940,844,739,344/9,021,098
  6. Step 6: Final answer
    x = 42,892,876.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.