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Finding the Third Proportional to 125.25 and 188.25

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Solution

The third proportional to 125.25 and 188.25 is: 282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.25 : 188.25 = 188.25 : x
  2. Step 2: Convert to fraction form
    125.25/188.25 = 188.25/x
  3. Step 3: Cross multiply
    125.25x = 188.25 × 188.25
  4. Step 4: Simplify right side
    125.25x = 35,438.06
  5. Step 5: Solve for x
    x = 35,438.06/125.25
  6. Step 6: Final answer
    x = 282.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.