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Finding the Third Proportional to 757 and 964.50

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Solution

The third proportional to 757 and 964.50 is: 1,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    757 : 964.50 = 964.50 : x
  2. Step 2: Convert to fraction form
    757/964.50 = 964.50/x
  3. Step 3: Cross multiply
    757x = 964.50 × 964.50
  4. Step 4: Simplify right side
    757x = 930,260.25
  5. Step 5: Solve for x
    x = 930,260.25/757
  6. Step 6: Final answer
    x = 1,228.88

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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.