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Finding the Third Proportional to 125.88 and 188.13

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Solution

The third proportional to 125.88 and 188.13 is: 281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.88 : 188.13 = 188.13 : x
  2. Step 2: Convert to fraction form
    125.88/188.13 = 188.13/x
  3. Step 3: Cross multiply
    125.88x = 188.13 × 188.13
  4. Step 4: Simplify right side
    125.88x = 35,391.02
  5. Step 5: Solve for x
    x = 35,391.02/125.88
  6. Step 6: Final answer
    x = 281.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.