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Finding the Third Proportional to 1,998,918 and 4,370,652

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Solution

The third proportional to 1,998,918 and 4,370,652 is: 9,556,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,918 : 4,370,652 = 4,370,652 : x
  2. Step 2: Convert to fraction form
    1,998,918/4,370,652 = 4,370,652/x
  3. Step 3: Cross multiply
    1,998,918x = 4,370,652 × 4,370,652
  4. Step 4: Simplify right side
    1,998,918x = 19,102,598,905,104
  5. Step 5: Solve for x
    x = 19,102,598,905,104/1,998,918
  6. Step 6: Final answer
    x = 9,556,469.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.