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Finding the Third Proportional to 600.86 and 1,309.92

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Solution

The third proportional to 600.86 and 1,309.92 is: 2,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.86 : 1,309.92 = 1,309.92 : x
  2. Step 2: Convert to fraction form
    600.86/1,309.92 = 1,309.92/x
  3. Step 3: Cross multiply
    600.86x = 1,309.92 × 1,309.92
  4. Step 4: Simplify right side
    600.86x = 1,715,895.32
  5. Step 5: Solve for x
    x = 1,715,895.32/600.86
  6. Step 6: Final answer
    x = 2,855.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.