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Finding the Third Proportional to 785 and 996.50

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Solution

The third proportional to 785 and 996.50 is: 1,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    785 : 996.50 = 996.50 : x
  2. Step 2: Convert to fraction form
    785/996.50 = 996.50/x
  3. Step 3: Cross multiply
    785x = 996.50 × 996.50
  4. Step 4: Simplify right side
    785x = 993,012.25
  5. Step 5: Solve for x
    x = 993,012.25/785
  6. Step 6: Final answer
    x = 1,264.98

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.