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Finding the Third Proportional to 80,256,859 and 122,975,958

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Solution

The third proportional to 80,256,859 and 122,975,958 is: 188,433,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,859 : 122,975,958 = 122,975,958 : x
  2. Step 2: Convert to fraction form
    80,256,859/122,975,958 = 122,975,958/x
  3. Step 3: Cross multiply
    80,256,859x = 122,975,958 × 122,975,958
  4. Step 4: Simplify right side
    80,256,859x = 15,123,086,246,017,764
  5. Step 5: Solve for x
    x = 15,123,086,246,017,764/80,256,859
  6. Step 6: Final answer
    x = 188,433,567.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.