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Finding the Third Proportional to 1,964 and 5,162

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Solution

The third proportional to 1,964 and 5,162 is: 13,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964 : 5,162 = 5,162 : x
  2. Step 2: Convert to fraction form
    1,964/5,162 = 5,162/x
  3. Step 3: Cross multiply
    1,964x = 5,162 × 5,162
  4. Step 4: Simplify right side
    1,964x = 26,646,244
  5. Step 5: Solve for x
    x = 26,646,244/1,964
  6. Step 6: Final answer
    x = 13,567.33

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.