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Finding the Third Proportional to 179.88 and 424.94

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Solution

The third proportional to 179.88 and 424.94 is: 1,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.88 : 424.94 = 424.94 : x
  2. Step 2: Convert to fraction form
    179.88/424.94 = 424.94/x
  3. Step 3: Cross multiply
    179.88x = 424.94 × 424.94
  4. Step 4: Simplify right side
    179.88x = 180,571.88
  5. Step 5: Solve for x
    x = 180,571.88/179.88
  6. Step 6: Final answer
    x = 1,003.87

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.