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Finding the Third Proportional to 185 and 436.25

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Solution

The third proportional to 185 and 436.25 is: 1,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185 : 436.25 = 436.25 : x
  2. Step 2: Convert to fraction form
    185/436.25 = 436.25/x
  3. Step 3: Cross multiply
    185x = 436.25 × 436.25
  4. Step 4: Simplify right side
    185x = 190,314.06
  5. Step 5: Solve for x
    x = 190,314.06/185
  6. Step 6: Final answer
    x = 1,028.72

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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.