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Finding the Third Proportional to 51,381,261 and 74,237,049

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Solution

The third proportional to 51,381,261 and 74,237,049 is: 107,259,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,381,261 : 74,237,049 = 74,237,049 : x
  2. Step 2: Convert to fraction form
    51,381,261/74,237,049 = 74,237,049/x
  3. Step 3: Cross multiply
    51,381,261x = 74,237,049 × 74,237,049
  4. Step 4: Simplify right side
    51,381,261x = 5,511,139,444,228,401
  5. Step 5: Solve for x
    x = 5,511,139,444,228,401/51,381,261
  6. Step 6: Final answer
    x = 107,259,715.64

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.