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Finding the Third Proportional to 143,098,446 and 308,858,586

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Solution

The third proportional to 143,098,446 and 308,858,586 is: 666,629,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,098,446 : 308,858,586 = 308,858,586 : x
  2. Step 2: Convert to fraction form
    143,098,446/308,858,586 = 308,858,586/x
  3. Step 3: Cross multiply
    143,098,446x = 308,858,586 × 308,858,586
  4. Step 4: Simplify right side
    143,098,446x = 95,393,626,145,919,392
  5. Step 5: Solve for x
    x = 95,393,626,145,919,392/143,098,446
  6. Step 6: Final answer
    x = 666,629,364.70

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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.