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Finding the Third Proportional to 757 and 833.50

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Solution

The third proportional to 757 and 833.50 is: 917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757 : 833.50 = 833.50 : x
  2. Step 2: Convert to fraction form
    757/833.50 = 833.50/x
  3. Step 3: Cross multiply
    757x = 833.50 × 833.50
  4. Step 4: Simplify right side
    757x = 694,722.25
  5. Step 5: Solve for x
    x = 694,722.25/757
  6. Step 6: Final answer
    x = 917.73

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.