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Finding the Third Proportional to 273,957,876 and 639,353,898

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Solution

The third proportional to 273,957,876 and 639,353,898 is: 1,492,103,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,957,876 : 639,353,898 = 639,353,898 : x
  2. Step 2: Convert to fraction form
    273,957,876/639,353,898 = 639,353,898/x
  3. Step 3: Cross multiply
    273,957,876x = 639,353,898 × 639,353,898
  4. Step 4: Simplify right side
    273,957,876x = 408,773,406,887,794,432
  5. Step 5: Solve for x
    x = 408,773,406,887,794,432/273,957,876
  6. Step 6: Final answer
    x = 1,492,103,139.56

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.