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Finding the Third Proportional to 966.78 and 1,049.84

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Solution

The third proportional to 966.78 and 1,049.84 is: 1,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.78 : 1,049.84 = 1,049.84 : x
  2. Step 2: Convert to fraction form
    966.78/1,049.84 = 1,049.84/x
  3. Step 3: Cross multiply
    966.78x = 1,049.84 × 1,049.84
  4. Step 4: Simplify right side
    966.78x = 1,102,155.50
  5. Step 5: Solve for x
    x = 1,102,155.50/966.78
  6. Step 6: Final answer
    x = 1,140.03

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.