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Finding the Third Proportional to 104.91 and 235.55

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Solution

The third proportional to 104.91 and 235.55 is: 528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.91 : 235.55 = 235.55 : x
  2. Step 2: Convert to fraction form
    104.91/235.55 = 235.55/x
  3. Step 3: Cross multiply
    104.91x = 235.55 × 235.55
  4. Step 4: Simplify right side
    104.91x = 55,482.33
  5. Step 5: Solve for x
    x = 55,482.33/104.91
  6. Step 6: Final answer
    x = 528.88

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.