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Finding the Third Proportional to 987,289,328 and 2,051,105,644

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Solution

The third proportional to 987,289,328 and 2,051,105,644 is: 4,261,197,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,289,328 : 2,051,105,644 = 2,051,105,644 : x
  2. Step 2: Convert to fraction form
    987,289,328/2,051,105,644 = 2,051,105,644/x
  3. Step 3: Cross multiply
    987,289,328x = 2,051,105,644 × 2,051,105,644
  4. Step 4: Simplify right side
    987,289,328x = 4,207,034,362,848,654,848
  5. Step 5: Solve for x
    x = 4,207,034,362,848,654,848/987,289,328
  6. Step 6: Final answer
    x = 4,261,197,040.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.