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Finding the Third Proportional to 128,176 and 194,176

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Solution

The third proportional to 128,176 and 194,176 is: 294,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,176 : 194,176 = 194,176 : x
  2. Step 2: Convert to fraction form
    128,176/194,176 = 194,176/x
  3. Step 3: Cross multiply
    128,176x = 194,176 × 194,176
  4. Step 4: Simplify right side
    128,176x = 37,704,318,976
  5. Step 5: Solve for x
    x = 37,704,318,976/128,176
  6. Step 6: Final answer
    x = 294,160.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.