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Finding the Third Proportional to 676.69 and 1,463.91

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Solution

The third proportional to 676.69 and 1,463.91 is: 3,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.69 : 1,463.91 = 1,463.91 : x
  2. Step 2: Convert to fraction form
    676.69/1,463.91 = 1,463.91/x
  3. Step 3: Cross multiply
    676.69x = 1,463.91 × 1,463.91
  4. Step 4: Simplify right side
    676.69x = 2,143,021.51
  5. Step 5: Solve for x
    x = 2,143,021.51/676.69
  6. Step 6: Final answer
    x = 3,166.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.