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Finding the Third Proportional to 131,471,356 and 204,383,580

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Solution

The third proportional to 131,471,356 and 204,383,580 is: 317,731,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,356 : 204,383,580 = 204,383,580 : x
  2. Step 2: Convert to fraction form
    131,471,356/204,383,580 = 204,383,580/x
  3. Step 3: Cross multiply
    131,471,356x = 204,383,580 × 204,383,580
  4. Step 4: Simplify right side
    131,471,356x = 41,772,647,773,616,400
  5. Step 5: Solve for x
    x = 41,772,647,773,616,400/131,471,356
  6. Step 6: Final answer
    x = 317,731,930.70

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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.