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Finding the Third Proportional to 205.98 and 437.59

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Solution

The third proportional to 205.98 and 437.59 is: 929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.98 : 437.59 = 437.59 : x
  2. Step 2: Convert to fraction form
    205.98/437.59 = 437.59/x
  3. Step 3: Cross multiply
    205.98x = 437.59 × 437.59
  4. Step 4: Simplify right side
    205.98x = 191,484.87
  5. Step 5: Solve for x
    x = 191,484.87/205.98
  6. Step 6: Final answer
    x = 929.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.