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Finding the Third Proportional to 356.75 and 759.13

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Solution

The third proportional to 356.75 and 759.13 is: 1,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.75 : 759.13 = 759.13 : x
  2. Step 2: Convert to fraction form
    356.75/759.13 = 759.13/x
  3. Step 3: Cross multiply
    356.75x = 759.13 × 759.13
  4. Step 4: Simplify right side
    356.75x = 576,270.77
  5. Step 5: Solve for x
    x = 576,270.77/356.75
  6. Step 6: Final answer
    x = 1,615.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.