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Finding the Third Proportional to 336.56 and 731.06

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Solution

The third proportional to 336.56 and 731.06 is: 1,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.56 : 731.06 = 731.06 : x
  2. Step 2: Convert to fraction form
    336.56/731.06 = 731.06/x
  3. Step 3: Cross multiply
    336.56x = 731.06 × 731.06
  4. Step 4: Simplify right side
    336.56x = 534,452.38
  5. Step 5: Solve for x
    x = 534,452.38/336.56
  6. Step 6: Final answer
    x = 1,587.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.