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Finding the Third Proportional to 888,930 and 1,917,828

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Solution

The third proportional to 888,930 and 1,917,828 is: 4,137,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,930 : 1,917,828 = 1,917,828 : x
  2. Step 2: Convert to fraction form
    888,930/1,917,828 = 1,917,828/x
  3. Step 3: Cross multiply
    888,930x = 1,917,828 × 1,917,828
  4. Step 4: Simplify right side
    888,930x = 3,678,064,237,584
  5. Step 5: Solve for x
    x = 3,678,064,237,584/888,930
  6. Step 6: Final answer
    x = 4,137,630.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.