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Finding the Third Proportional to 330.06 and 725.75

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Solution

The third proportional to 330.06 and 725.75 is: 1,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.06 : 725.75 = 725.75 : x
  2. Step 2: Convert to fraction form
    330.06/725.75 = 725.75/x
  3. Step 3: Cross multiply
    330.06x = 725.75 × 725.75
  4. Step 4: Simplify right side
    330.06x = 526,713.06
  5. Step 5: Solve for x
    x = 526,713.06/330.06
  6. Step 6: Final answer
    x = 1,595.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.