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Finding the Third Proportional to 677.11 and 1,082.53

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Solution

The third proportional to 677.11 and 1,082.53 is: 1,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677.11 : 1,082.53 = 1,082.53 : x
  2. Step 2: Convert to fraction form
    677.11/1,082.53 = 1,082.53/x
  3. Step 3: Cross multiply
    677.11x = 1,082.53 × 1,082.53
  4. Step 4: Simplify right side
    677.11x = 1,171,873.91
  5. Step 5: Solve for x
    x = 1,171,873.91/677.11
  6. Step 6: Final answer
    x = 1,730.70

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.