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Finding the Third Proportional to 863,871,876 and 1,391,118,234

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Solution

The third proportional to 863,871,876 and 1,391,118,234 is: 2,240,158,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,871,876 : 1,391,118,234 = 1,391,118,234 : x
  2. Step 2: Convert to fraction form
    863,871,876/1,391,118,234 = 1,391,118,234/x
  3. Step 3: Cross multiply
    863,871,876x = 1,391,118,234 × 1,391,118,234
  4. Step 4: Simplify right side
    863,871,876x = 1,935,209,940,967,278,848
  5. Step 5: Solve for x
    x = 1,935,209,940,967,278,848/863,871,876
  6. Step 6: Final answer
    x = 2,240,158,517.40

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.