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Finding the Third Proportional to 966.75 and 2,619.38

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Solution

The third proportional to 966.75 and 2,619.38 is: 7,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.75 : 2,619.38 = 2,619.38 : x
  2. Step 2: Convert to fraction form
    966.75/2,619.38 = 2,619.38/x
  3. Step 3: Cross multiply
    966.75x = 2,619.38 × 2,619.38
  4. Step 4: Simplify right side
    966.75x = 6,861,125.39
  5. Step 5: Solve for x
    x = 6,861,125.39/966.75
  6. Step 6: Final answer
    x = 7,097.10

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.