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Finding the Third Proportional to 785 and 960.50

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Solution

The third proportional to 785 and 960.50 is: 1,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785 : 960.50 = 960.50 : x
  2. Step 2: Convert to fraction form
    785/960.50 = 960.50/x
  3. Step 3: Cross multiply
    785x = 960.50 × 960.50
  4. Step 4: Simplify right side
    785x = 922,560.25
  5. Step 5: Solve for x
    x = 922,560.25/785
  6. Step 6: Final answer
    x = 1,175.24

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.