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Finding the Third Proportional to 879.94 and 1,429.88

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Solution

The third proportional to 879.94 and 1,429.88 is: 2,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879.94 : 1,429.88 = 1,429.88 : x
  2. Step 2: Convert to fraction form
    879.94/1,429.88 = 1,429.88/x
  3. Step 3: Cross multiply
    879.94x = 1,429.88 × 1,429.88
  4. Step 4: Simplify right side
    879.94x = 2,044,542.52
  5. Step 5: Solve for x
    x = 2,044,542.52/879.94
  6. Step 6: Final answer
    x = 2,323.51

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.