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Finding the Third Proportional to 203.75 and 473.13

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Solution

The third proportional to 203.75 and 473.13 is: 1,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.75 : 473.13 = 473.13 : x
  2. Step 2: Convert to fraction form
    203.75/473.13 = 473.13/x
  3. Step 3: Cross multiply
    203.75x = 473.13 × 473.13
  4. Step 4: Simplify right side
    203.75x = 223,847.27
  5. Step 5: Solve for x
    x = 223,847.27/203.75
  6. Step 6: Final answer
    x = 1,098.64

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.