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Finding the Third Proportional to 187.50 and 294.25

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Solution

The third proportional to 187.50 and 294.25 is: 461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.50 : 294.25 = 294.25 : x
  2. Step 2: Convert to fraction form
    187.50/294.25 = 294.25/x
  3. Step 3: Cross multiply
    187.50x = 294.25 × 294.25
  4. Step 4: Simplify right side
    187.50x = 86,583.06
  5. Step 5: Solve for x
    x = 86,583.06/187.50
  6. Step 6: Final answer
    x = 461.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.