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Finding the Third Proportional to 125.25 and 188.63

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Solution

The third proportional to 125.25 and 188.63 is: 284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.25 : 188.63 = 188.63 : x
  2. Step 2: Convert to fraction form
    125.25/188.63 = 188.63/x
  3. Step 3: Cross multiply
    125.25x = 188.63 × 188.63
  4. Step 4: Simplify right side
    125.25x = 35,579.39
  5. Step 5: Solve for x
    x = 35,579.39/125.25
  6. Step 6: Final answer
    x = 284.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.