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Finding the Third Proportional to 356.50 and 767

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Solution

The third proportional to 356.50 and 767 is: 1,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.50 : 767 = 767 : x
  2. Step 2: Convert to fraction form
    356.50/767 = 767/x
  3. Step 3: Cross multiply
    356.50x = 767 × 767
  4. Step 4: Simplify right side
    356.50x = 588,289
  5. Step 5: Solve for x
    x = 588,289/356.50
  6. Step 6: Final answer
    x = 1,650.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.