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Finding the Third Proportional to 335.39 and 731.53

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Solution

The third proportional to 335.39 and 731.53 is: 1,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.39 : 731.53 = 731.53 : x
  2. Step 2: Convert to fraction form
    335.39/731.53 = 731.53/x
  3. Step 3: Cross multiply
    335.39x = 731.53 × 731.53
  4. Step 4: Simplify right side
    335.39x = 535,137.97
  5. Step 5: Solve for x
    x = 535,137.97/335.39
  6. Step 6: Final answer
    x = 1,595.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.