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Finding the Third Proportional to 961.88 and 1,966.50

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Solution

The third proportional to 961.88 and 1,966.50 is: 4,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.88 : 1,966.50 = 1,966.50 : x
  2. Step 2: Convert to fraction form
    961.88/1,966.50 = 1,966.50/x
  3. Step 3: Cross multiply
    961.88x = 1,966.50 × 1,966.50
  4. Step 4: Simplify right side
    961.88x = 3,867,122.25
  5. Step 5: Solve for x
    x = 3,867,122.25/961.88
  6. Step 6: Final answer
    x = 4,020.40

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.