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Finding the Third Proportional to 462 and 802

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Solution

The third proportional to 462 and 802 is: 1,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 802 = 802 : x
  2. Step 2: Convert to fraction form
    462/802 = 802/x
  3. Step 3: Cross multiply
    462x = 802 × 802
  4. Step 4: Simplify right side
    462x = 643,204
  5. Step 5: Solve for x
    x = 643,204/462
  6. Step 6: Final answer
    x = 1,392.22

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.