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Finding the Third Proportional to 154,338,192 and 331,055,991

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Solution

The third proportional to 154,338,192 and 331,055,991 is: 710,116,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,338,192 : 331,055,991 = 331,055,991 : x
  2. Step 2: Convert to fraction form
    154,338,192/331,055,991 = 331,055,991/x
  3. Step 3: Cross multiply
    154,338,192x = 331,055,991 × 331,055,991
  4. Step 4: Simplify right side
    154,338,192x = 109,598,069,176,992,080
  5. Step 5: Solve for x
    x = 109,598,069,176,992,080/154,338,192
  6. Step 6: Final answer
    x = 710,116,321.55

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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.