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Finding the Third Proportional to 9,236.53 and 19,129.92

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Solution

The third proportional to 9,236.53 and 19,129.92 is: 39,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.53 : 19,129.92 = 19,129.92 : x
  2. Step 2: Convert to fraction form
    9,236.53/19,129.92 = 19,129.92/x
  3. Step 3: Cross multiply
    9,236.53x = 19,129.92 × 19,129.92
  4. Step 4: Simplify right side
    9,236.53x = 365,953,910.94
  5. Step 5: Solve for x
    x = 365,953,910.94/9,236.53
  6. Step 6: Final answer
    x = 39,620.28

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.