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Finding the Third Proportional to 584 and 868

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Solution

The third proportional to 584 and 868 is: 1,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584 : 868 = 868 : x
  2. Step 2: Convert to fraction form
    584/868 = 868/x
  3. Step 3: Cross multiply
    584x = 868 × 868
  4. Step 4: Simplify right side
    584x = 753,424
  5. Step 5: Solve for x
    x = 753,424/584
  6. Step 6: Final answer
    x = 1,290.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.