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Finding the Third Proportional to 188.25 and 291

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Solution

The third proportional to 188.25 and 291 is: 449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.25 : 291 = 291 : x
  2. Step 2: Convert to fraction form
    188.25/291 = 291/x
  3. Step 3: Cross multiply
    188.25x = 291 × 291
  4. Step 4: Simplify right side
    188.25x = 84,681
  5. Step 5: Solve for x
    x = 84,681/188.25
  6. Step 6: Final answer
    x = 449.83

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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.