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Finding the Third Proportional to 750 and 802

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Solution

The third proportional to 750 and 802 is: 857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750 : 802 = 802 : x
  2. Step 2: Convert to fraction form
    750/802 = 802/x
  3. Step 3: Cross multiply
    750x = 802 × 802
  4. Step 4: Simplify right side
    750x = 643,204
  5. Step 5: Solve for x
    x = 643,204/750
  6. Step 6: Final answer
    x = 857.61

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.