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Finding the Third Proportional to 143,098,482 and 308,858,658

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Solution

The third proportional to 143,098,482 and 308,858,658 is: 666,629,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,098,482 : 308,858,658 = 308,858,658 : x
  2. Step 2: Convert to fraction form
    143,098,482/308,858,658 = 308,858,658/x
  3. Step 3: Cross multiply
    143,098,482x = 308,858,658 × 308,858,658
  4. Step 4: Simplify right side
    143,098,482x = 95,393,670,621,560,960
  5. Step 5: Solve for x
    x = 95,393,670,621,560,960/143,098,482
  6. Step 6: Final answer
    x = 666,629,507.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.