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Finding the Third Proportional to 1,236,921,848 and 2,650,905,322

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Solution

The third proportional to 1,236,921,848 and 2,650,905,322 is: 5,681,279,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,921,848 : 2,650,905,322 = 2,650,905,322 : x
  2. Step 2: Convert to fraction form
    1,236,921,848/2,650,905,322 = 2,650,905,322/x
  3. Step 3: Cross multiply
    1,236,921,848x = 2,650,905,322 × 2,650,905,322
  4. Step 4: Simplify right side
    1,236,921,848x = 7,027,299,026,207,923,200
  5. Step 5: Solve for x
    x = 7,027,299,026,207,923,200/1,236,921,848
  6. Step 6: Final answer
    x = 5,681,279,732.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.