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Finding the Third Proportional to 7,182 and 15,018

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Solution

The third proportional to 7,182 and 15,018 is: 31,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182 : 15,018 = 15,018 : x
  2. Step 2: Convert to fraction form
    7,182/15,018 = 15,018/x
  3. Step 3: Cross multiply
    7,182x = 15,018 × 15,018
  4. Step 4: Simplify right side
    7,182x = 225,540,324
  5. Step 5: Solve for x
    x = 225,540,324/7,182
  6. Step 6: Final answer
    x = 31,403.55

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.