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Finding the Third Proportional to 5,974.38 and 13,127.70

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Solution

The third proportional to 5,974.38 and 13,127.70 is: 28,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.38 : 13,127.70 = 13,127.70 : x
  2. Step 2: Convert to fraction form
    5,974.38/13,127.70 = 13,127.70/x
  3. Step 3: Cross multiply
    5,974.38x = 13,127.70 × 13,127.70
  4. Step 4: Simplify right side
    5,974.38x = 172,336,384.22
  5. Step 5: Solve for x
    x = 172,336,384.22/5,974.38
  6. Step 6: Final answer
    x = 28,845.89

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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.