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Finding the Third Proportional to 1,979.96 and 2,964.09

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Solution

The third proportional to 1,979.96 and 2,964.09 is: 4,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.96 : 2,964.09 = 2,964.09 : x
  2. Step 2: Convert to fraction form
    1,979.96/2,964.09 = 2,964.09/x
  3. Step 3: Cross multiply
    1,979.96x = 2,964.09 × 2,964.09
  4. Step 4: Simplify right side
    1,979.96x = 8,785,851.76
  5. Step 5: Solve for x
    x = 8,785,851.76/1,979.96
  6. Step 6: Final answer
    x = 4,437.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.