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Finding the Third Proportional to 2,964 and 7,158

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Solution

The third proportional to 2,964 and 7,158 is: 17,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964 : 7,158 = 7,158 : x
  2. Step 2: Convert to fraction form
    2,964/7,158 = 7,158/x
  3. Step 3: Cross multiply
    2,964x = 7,158 × 7,158
  4. Step 4: Simplify right side
    2,964x = 51,236,964
  5. Step 5: Solve for x
    x = 51,236,964/2,964
  6. Step 6: Final answer
    x = 17,286.43

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.