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Finding the Third Proportional to 369.56 and 710.44

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Solution

The third proportional to 369.56 and 710.44 is: 1,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.56 : 710.44 = 710.44 : x
  2. Step 2: Convert to fraction form
    369.56/710.44 = 710.44/x
  3. Step 3: Cross multiply
    369.56x = 710.44 × 710.44
  4. Step 4: Simplify right side
    369.56x = 504,721.44
  5. Step 5: Solve for x
    x = 504,721.44/369.56
  6. Step 6: Final answer
    x = 1,365.73

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.