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Finding the Third Proportional to 166,389,000.75 and 259,656,387.75

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Solution

The third proportional to 166,389,000.75 and 259,656,387.75 is: 405,203,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,389,000.75 : 259,656,387.75 = 259,656,387.75 : x
  2. Step 2: Convert to fraction form
    166,389,000.75/259,656,387.75 = 259,656,387.75/x
  3. Step 3: Cross multiply
    166,389,000.75x = 259,656,387.75 × 259,656,387.75
  4. Step 4: Simplify right side
    166,389,000.75x = 67,421,439,699,378,352
  5. Step 5: Solve for x
    x = 67,421,439,699,378,352/166,389,000.75
  6. Step 6: Final answer
    x = 405,203,705.75

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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.