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Finding the Third Proportional to 930.38 and 2,001.94

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Solution

The third proportional to 930.38 and 2,001.94 is: 4,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.38 : 2,001.94 = 2,001.94 : x
  2. Step 2: Convert to fraction form
    930.38/2,001.94 = 2,001.94/x
  3. Step 3: Cross multiply
    930.38x = 2,001.94 × 2,001.94
  4. Step 4: Simplify right side
    930.38x = 4,007,753.75
  5. Step 5: Solve for x
    x = 4,007,753.75/930.38
  6. Step 6: Final answer
    x = 4,307.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.