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Finding the Third Proportional to 88.38 and 192.13

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Solution

The third proportional to 88.38 and 192.13 is: 417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.38 : 192.13 = 192.13 : x
  2. Step 2: Convert to fraction form
    88.38/192.13 = 192.13/x
  3. Step 3: Cross multiply
    88.38x = 192.13 × 192.13
  4. Step 4: Simplify right side
    88.38x = 36,912.02
  5. Step 5: Solve for x
    x = 36,912.02/88.38
  6. Step 6: Final answer
    x = 417.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.