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Finding the Third Proportional to 166,388,960 and 259,656,330

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Solution

The third proportional to 166,388,960 and 259,656,330 is: 405,203,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,388,960 : 259,656,330 = 259,656,330 : x
  2. Step 2: Convert to fraction form
    166,388,960/259,656,330 = 259,656,330/x
  3. Step 3: Cross multiply
    166,388,960x = 259,656,330 × 259,656,330
  4. Step 4: Simplify right side
    166,388,960x = 67,421,409,709,068,896
  5. Step 5: Solve for x
    x = 67,421,409,709,068,896/166,388,960
  6. Step 6: Final answer
    x = 405,203,624.74

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.