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Finding the Third Proportional to 187 and 244.50

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Solution

The third proportional to 187 and 244.50 is: 319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187 : 244.50 = 244.50 : x
  2. Step 2: Convert to fraction form
    187/244.50 = 244.50/x
  3. Step 3: Cross multiply
    187x = 244.50 × 244.50
  4. Step 4: Simplify right side
    187x = 59,780.25
  5. Step 5: Solve for x
    x = 59,780.25/187
  6. Step 6: Final answer
    x = 319.68

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.