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Finding the Third Proportional to 8,893,800 and 19,413,999

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Solution

The third proportional to 8,893,800 and 19,413,999 is: 42,378,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893,800 : 19,413,999 = 19,413,999 : x
  2. Step 2: Convert to fraction form
    8,893,800/19,413,999 = 19,413,999/x
  3. Step 3: Cross multiply
    8,893,800x = 19,413,999 × 19,413,999
  4. Step 4: Simplify right side
    8,893,800x = 376,903,357,172,001
  5. Step 5: Solve for x
    x = 376,903,357,172,001/8,893,800
  6. Step 6: Final answer
    x = 42,378,213.72

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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.