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Finding the Third Proportional to 113.34 and 181.13

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Solution

The third proportional to 113.34 and 181.13 is: 289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.34 : 181.13 = 181.13 : x
  2. Step 2: Convert to fraction form
    113.34/181.13 = 181.13/x
  3. Step 3: Cross multiply
    113.34x = 181.13 × 181.13
  4. Step 4: Simplify right side
    113.34x = 32,806.27
  5. Step 5: Solve for x
    x = 32,806.27/113.34
  6. Step 6: Final answer
    x = 289.44

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.