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Finding the Third Proportional to 188 and 453

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Solution

The third proportional to 188 and 453 is: 1,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188 : 453 = 453 : x
  2. Step 2: Convert to fraction form
    188/453 = 453/x
  3. Step 3: Cross multiply
    188x = 453 × 453
  4. Step 4: Simplify right side
    188x = 205,209
  5. Step 5: Solve for x
    x = 205,209/188
  6. Step 6: Final answer
    x = 1,091.54

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.