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Finding the Third Proportional to 9,281 and 18,886

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Solution

The third proportional to 9,281 and 18,886 is: 38,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281 : 18,886 = 18,886 : x
  2. Step 2: Convert to fraction form
    9,281/18,886 = 18,886/x
  3. Step 3: Cross multiply
    9,281x = 18,886 × 18,886
  4. Step 4: Simplify right side
    9,281x = 356,680,996
  5. Step 5: Solve for x
    x = 356,680,996/9,281
  6. Step 6: Final answer
    x = 38,431.31

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.