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Finding the Third Proportional to 5,425.42 and 11,001.76

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Solution

The third proportional to 5,425.42 and 11,001.76 is: 22,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.42 : 11,001.76 = 11,001.76 : x
  2. Step 2: Convert to fraction form
    5,425.42/11,001.76 = 11,001.76/x
  3. Step 3: Cross multiply
    5,425.42x = 11,001.76 × 11,001.76
  4. Step 4: Simplify right side
    5,425.42x = 121,038,760.92
  5. Step 5: Solve for x
    x = 121,038,760.92/5,425.42
  6. Step 6: Final answer
    x = 22,309.57

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.