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Finding the Third Proportional to 192.75 and 430

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Solution

The third proportional to 192.75 and 430 is: 959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.75 : 430 = 430 : x
  2. Step 2: Convert to fraction form
    192.75/430 = 430/x
  3. Step 3: Cross multiply
    192.75x = 430 × 430
  4. Step 4: Simplify right side
    192.75x = 184,900
  5. Step 5: Solve for x
    x = 184,900/192.75
  6. Step 6: Final answer
    x = 959.27

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.