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Finding the Third Proportional to 1,998,918 and 3,091,810.50

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Solution

The third proportional to 1,998,918 and 3,091,810.50 is: 4,782,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,918 : 3,091,810.50 = 3,091,810.50 : x
  2. Step 2: Convert to fraction form
    1,998,918/3,091,810.50 = 3,091,810.50/x
  3. Step 3: Cross multiply
    1,998,918x = 3,091,810.50 × 3,091,810.50
  4. Step 4: Simplify right side
    1,998,918x = 9,559,292,167,910.25
  5. Step 5: Solve for x
    x = 9,559,292,167,910.25/1,998,918
  6. Step 6: Final answer
    x = 4,782,233.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.