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Finding the Third Proportional to 333.18 and 730.42

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Solution

The third proportional to 333.18 and 730.42 is: 1,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.18 : 730.42 = 730.42 : x
  2. Step 2: Convert to fraction form
    333.18/730.42 = 730.42/x
  3. Step 3: Cross multiply
    333.18x = 730.42 × 730.42
  4. Step 4: Simplify right side
    333.18x = 533,518.97
  5. Step 5: Solve for x
    x = 533,518.97/333.18
  6. Step 6: Final answer
    x = 1,601.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.