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Finding the Third Proportional to 185 and 436.38

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Solution

The third proportional to 185 and 436.38 is: 1,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185 : 436.38 = 436.38 : x
  2. Step 2: Convert to fraction form
    185/436.38 = 436.38/x
  3. Step 3: Cross multiply
    185x = 436.38 × 436.38
  4. Step 4: Simplify right side
    185x = 190,423.14
  5. Step 5: Solve for x
    x = 190,423.14/185
  6. Step 6: Final answer
    x = 1,029.31

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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.