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Finding the Third Proportional to 187.75 and 360.88

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Solution

The third proportional to 187.75 and 360.88 is: 693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.75 : 360.88 = 360.88 : x
  2. Step 2: Convert to fraction form
    187.75/360.88 = 360.88/x
  3. Step 3: Cross multiply
    187.75x = 360.88 × 360.88
  4. Step 4: Simplify right side
    187.75x = 130,230.77
  5. Step 5: Solve for x
    x = 130,230.77/187.75
  6. Step 6: Final answer
    x = 693.64

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.