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Finding the Third Proportional to 188.58 and 436.96

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Solution

The third proportional to 188.58 and 436.96 is: 1,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.58 : 436.96 = 436.96 : x
  2. Step 2: Convert to fraction form
    188.58/436.96 = 436.96/x
  3. Step 3: Cross multiply
    188.58x = 436.96 × 436.96
  4. Step 4: Simplify right side
    188.58x = 190,931.45
  5. Step 5: Solve for x
    x = 190,931.45/188.58
  6. Step 6: Final answer
    x = 1,012.48

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.