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Finding the Third Proportional to 1,261,234.97 and 1,958,308.31

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Solution

The third proportional to 1,261,234.97 and 1,958,308.31 is: 3,040,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,234.97 : 1,958,308.31 = 1,958,308.31 : x
  2. Step 2: Convert to fraction form
    1,261,234.97/1,958,308.31 = 1,958,308.31/x
  3. Step 3: Cross multiply
    1,261,234.97x = 1,958,308.31 × 1,958,308.31
  4. Step 4: Simplify right side
    1,261,234.97x = 3,834,971,446,806.60
  5. Step 5: Solve for x
    x = 3,834,971,446,806.60/1,261,234.97
  6. Step 6: Final answer
    x = 3,040,647.89

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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.