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Finding the Third Proportional to 600.84 and 1,291.69

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Solution

The third proportional to 600.84 and 1,291.69 is: 2,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.84 : 1,291.69 = 1,291.69 : x
  2. Step 2: Convert to fraction form
    600.84/1,291.69 = 1,291.69/x
  3. Step 3: Cross multiply
    600.84x = 1,291.69 × 1,291.69
  4. Step 4: Simplify right side
    600.84x = 1,668,456.60
  5. Step 5: Solve for x
    x = 1,668,456.60/600.84
  6. Step 6: Final answer
    x = 2,776.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.