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Finding the Third Proportional to 757,986,394,418.73 and 1,685,447,729,414.40

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Solution

The third proportional to 757,986,394,418.73 and 1,685,447,729,414.40 is: 3,747,737,518,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,986,394,418.73 : 1,685,447,729,414.40 = 1,685,447,729,414.40 : x
  2. Step 2: Convert to fraction form
    757,986,394,418.73/1,685,447,729,414.40 = 1,685,447,729,414.40/x
  3. Step 3: Cross multiply
    757,986,394,418.73x = 1,685,447,729,414.40 × 1,685,447,729,414.40
  4. Step 4: Simplify right side
    757,986,394,418.73x = 2,840,734,048,588,156,228,337,664
  5. Step 5: Solve for x
    x = 2,840,734,048,588,156,228,337,664/757,986,394,418.73
  6. Step 6: Final answer
    x = 3,747,737,518,120.76

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.