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Finding the Third Proportional to 959.63 and 1,979.44

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Solution

The third proportional to 959.63 and 1,979.44 is: 4,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.63 : 1,979.44 = 1,979.44 : x
  2. Step 2: Convert to fraction form
    959.63/1,979.44 = 1,979.44/x
  3. Step 3: Cross multiply
    959.63x = 1,979.44 × 1,979.44
  4. Step 4: Simplify right side
    959.63x = 3,918,172.82
  5. Step 5: Solve for x
    x = 3,918,172.82/959.63
  6. Step 6: Final answer
    x = 4,083.02

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.