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Finding the Third Proportional to 7,018 and 15,326

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Solution

The third proportional to 7,018 and 15,326 is: 33,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018 : 15,326 = 15,326 : x
  2. Step 2: Convert to fraction form
    7,018/15,326 = 15,326/x
  3. Step 3: Cross multiply
    7,018x = 15,326 × 15,326
  4. Step 4: Simplify right side
    7,018x = 234,886,276
  5. Step 5: Solve for x
    x = 234,886,276/7,018
  6. Step 6: Final answer
    x = 33,469.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.