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Finding the Third Proportional to 676.13 and 802.88

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Solution

The third proportional to 676.13 and 802.88 is: 953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.13 : 802.88 = 802.88 : x
  2. Step 2: Convert to fraction form
    676.13/802.88 = 802.88/x
  3. Step 3: Cross multiply
    676.13x = 802.88 × 802.88
  4. Step 4: Simplify right side
    676.13x = 644,608.27
  5. Step 5: Solve for x
    x = 644,608.27/676.13
  6. Step 6: Final answer
    x = 953.39

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.