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Finding the Third Proportional to 166,308 and 255,612

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Solution

The third proportional to 166,308 and 255,612 is: 392,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,308 : 255,612 = 255,612 : x
  2. Step 2: Convert to fraction form
    166,308/255,612 = 255,612/x
  3. Step 3: Cross multiply
    166,308x = 255,612 × 255,612
  4. Step 4: Simplify right side
    166,308x = 65,337,494,544
  5. Step 5: Solve for x
    x = 65,337,494,544/166,308
  6. Step 6: Final answer
    x = 392,870.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.