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Finding the Third Proportional to 229.13 and 480.94

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Solution

The third proportional to 229.13 and 480.94 is: 1,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.13 : 480.94 = 480.94 : x
  2. Step 2: Convert to fraction form
    229.13/480.94 = 480.94/x
  3. Step 3: Cross multiply
    229.13x = 480.94 × 480.94
  4. Step 4: Simplify right side
    229.13x = 231,300.88
  5. Step 5: Solve for x
    x = 231,300.88/229.13
  6. Step 6: Final answer
    x = 1,009.50

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.