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Finding the Third Proportional to 71,543,212 and 155,184,872

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Solution

The third proportional to 71,543,212 and 155,184,872 is: 336,612,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543,212 : 155,184,872 = 155,184,872 : x
  2. Step 2: Convert to fraction form
    71,543,212/155,184,872 = 155,184,872/x
  3. Step 3: Cross multiply
    71,543,212x = 155,184,872 × 155,184,872
  4. Step 4: Simplify right side
    71,543,212x = 24,082,344,497,656,384
  5. Step 5: Solve for x
    x = 24,082,344,497,656,384/71,543,212
  6. Step 6: Final answer
    x = 336,612,570.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.