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Finding the Third Proportional to 259,717,135,974 and 558,520,807,839

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Solution

The third proportional to 259,717,135,974 and 558,520,807,839 is: 1,201,097,076,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,717,135,974 : 558,520,807,839 = 558,520,807,839 : x
  2. Step 2: Convert to fraction form
    259,717,135,974/558,520,807,839 = 558,520,807,839/x
  3. Step 3: Cross multiply
    259,717,135,974x = 558,520,807,839 × 558,520,807,839
  4. Step 4: Simplify right side
    259,717,135,974x = 311,945,492,789,129,138,667,520
  5. Step 5: Solve for x
    x = 311,945,492,789,129,138,667,520/259,717,135,974
  6. Step 6: Final answer
    x = 1,201,097,076,707.17

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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.