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Finding the Third Proportional to 187.50 and 441.25

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Solution

The third proportional to 187.50 and 441.25 is: 1,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.50 : 441.25 = 441.25 : x
  2. Step 2: Convert to fraction form
    187.50/441.25 = 441.25/x
  3. Step 3: Cross multiply
    187.50x = 441.25 × 441.25
  4. Step 4: Simplify right side
    187.50x = 194,701.56
  5. Step 5: Solve for x
    x = 194,701.56/187.50
  6. Step 6: Final answer
    x = 1,038.41

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.