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Finding the Third Proportional to 166,624 and 258,077

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Solution

The third proportional to 166,624 and 258,077 is: 399,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,624 : 258,077 = 258,077 : x
  2. Step 2: Convert to fraction form
    166,624/258,077 = 258,077/x
  3. Step 3: Cross multiply
    166,624x = 258,077 × 258,077
  4. Step 4: Simplify right side
    166,624x = 66,603,737,929
  5. Step 5: Solve for x
    x = 66,603,737,929/166,624
  6. Step 6: Final answer
    x = 399,724.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.