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Finding the Third Proportional to 84,365,412 and 131,481,180

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Solution

The third proportional to 84,365,412 and 131,481,180 is: 204,909,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365,412 : 131,481,180 = 131,481,180 : x
  2. Step 2: Convert to fraction form
    84,365,412/131,481,180 = 131,481,180/x
  3. Step 3: Cross multiply
    84,365,412x = 131,481,180 × 131,481,180
  4. Step 4: Simplify right side
    84,365,412x = 17,287,300,694,192,400
  5. Step 5: Solve for x
    x = 17,287,300,694,192,400/84,365,412
  6. Step 6: Final answer
    x = 204,909,811.79

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.