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Finding the Third Proportional to 579.66 and 883.83

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Solution

The third proportional to 579.66 and 883.83 is: 1,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.66 : 883.83 = 883.83 : x
  2. Step 2: Convert to fraction form
    579.66/883.83 = 883.83/x
  3. Step 3: Cross multiply
    579.66x = 883.83 × 883.83
  4. Step 4: Simplify right side
    579.66x = 781,152.15
  5. Step 5: Solve for x
    x = 781,152.15/579.66
  6. Step 6: Final answer
    x = 1,347.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.