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Finding the Third Proportional to 175 and 384.38

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Solution

The third proportional to 175 and 384.38 is: 844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175 : 384.38 = 384.38 : x
  2. Step 2: Convert to fraction form
    175/384.38 = 384.38/x
  3. Step 3: Cross multiply
    175x = 384.38 × 384.38
  4. Step 4: Simplify right side
    175x = 147,744.14
  5. Step 5: Solve for x
    x = 147,744.14/175
  6. Step 6: Final answer
    x = 844.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.