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Finding the Third Proportional to 1,135.27 and 2,712.87

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Solution

The third proportional to 1,135.27 and 2,712.87 is: 6,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.27 : 2,712.87 = 2,712.87 : x
  2. Step 2: Convert to fraction form
    1,135.27/2,712.87 = 2,712.87/x
  3. Step 3: Cross multiply
    1,135.27x = 2,712.87 × 2,712.87
  4. Step 4: Simplify right side
    1,135.27x = 7,359,648.38
  5. Step 5: Solve for x
    x = 7,359,648.38/1,135.27
  6. Step 6: Final answer
    x = 6,482.75

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.