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Finding the Third Proportional to 187.88 and 250.69

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Solution

The third proportional to 187.88 and 250.69 is: 334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.88 : 250.69 = 250.69 : x
  2. Step 2: Convert to fraction form
    187.88/250.69 = 250.69/x
  3. Step 3: Cross multiply
    187.88x = 250.69 × 250.69
  4. Step 4: Simplify right side
    187.88x = 62,844.22
  5. Step 5: Solve for x
    x = 62,844.22/187.88
  6. Step 6: Final answer
    x = 334.50

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.