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Finding the Third Proportional to 474.50 and 771

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Solution

The third proportional to 474.50 and 771 is: 1,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.50 : 771 = 771 : x
  2. Step 2: Convert to fraction form
    474.50/771 = 771/x
  3. Step 3: Cross multiply
    474.50x = 771 × 771
  4. Step 4: Simplify right side
    474.50x = 594,441
  5. Step 5: Solve for x
    x = 594,441/474.50
  6. Step 6: Final answer
    x = 1,252.77

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.