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Finding the Third Proportional to 629.50 and 882

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Solution

The third proportional to 629.50 and 882 is: 1,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.50 : 882 = 882 : x
  2. Step 2: Convert to fraction form
    629.50/882 = 882/x
  3. Step 3: Cross multiply
    629.50x = 882 × 882
  4. Step 4: Simplify right side
    629.50x = 777,924
  5. Step 5: Solve for x
    x = 777,924/629.50
  6. Step 6: Final answer
    x = 1,235.78

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.