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Finding the Third Proportional to 131,471,355 and 204,383,578.50

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Solution

The third proportional to 131,471,355 and 204,383,578.50 is: 317,731,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,355 : 204,383,578.50 = 204,383,578.50 : x
  2. Step 2: Convert to fraction form
    131,471,355/204,383,578.50 = 204,383,578.50/x
  3. Step 3: Cross multiply
    131,471,355x = 204,383,578.50 × 204,383,578.50
  4. Step 4: Simplify right side
    131,471,355x = 41,772,647,160,465,664
  5. Step 5: Solve for x
    x = 41,772,647,160,465,664/131,471,355
  6. Step 6: Final answer
    x = 317,731,928.45

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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.