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Finding the Third Proportional to 185.10 and 247.75

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Solution

The third proportional to 185.10 and 247.75 is: 331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.10 : 247.75 = 247.75 : x
  2. Step 2: Convert to fraction form
    185.10/247.75 = 247.75/x
  3. Step 3: Cross multiply
    185.10x = 247.75 × 247.75
  4. Step 4: Simplify right side
    185.10x = 61,378.13
  5. Step 5: Solve for x
    x = 61,378.13/185.10
  6. Step 6: Final answer
    x = 331.60

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.