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Finding the Third Proportional to 512,982,789 and 1,040,239,924.50

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Solution

The third proportional to 512,982,789 and 1,040,239,924.50 is: 2,109,425,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,982,789 : 1,040,239,924.50 = 1,040,239,924.50 : x
  2. Step 2: Convert to fraction form
    512,982,789/1,040,239,924.50 = 1,040,239,924.50/x
  3. Step 3: Cross multiply
    512,982,789x = 1,040,239,924.50 × 1,040,239,924.50
  4. Step 4: Simplify right side
    512,982,789x = 1,082,099,100,523,765,760
  5. Step 5: Solve for x
    x = 1,082,099,100,523,765,760/512,982,789
  6. Step 6: Final answer
    x = 2,109,425,742.40

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.