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Finding the Third Proportional to 637,342,791.75 and 1,371,540,690

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Solution

The third proportional to 637,342,791.75 and 1,371,540,690 is: 2,951,510,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,342,791.75 : 1,371,540,690 = 1,371,540,690 : x
  2. Step 2: Convert to fraction form
    637,342,791.75/1,371,540,690 = 1,371,540,690/x
  3. Step 3: Cross multiply
    637,342,791.75x = 1,371,540,690 × 1,371,540,690
  4. Step 4: Simplify right side
    637,342,791.75x = 1,881,123,864,325,676,032
  5. Step 5: Solve for x
    x = 1,881,123,864,325,676,032/637,342,791.75
  6. Step 6: Final answer
    x = 2,951,510,378.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.