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Finding the Third Proportional to 9,122 and 18,637

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Solution

The third proportional to 9,122 and 18,637 is: 38,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122 : 18,637 = 18,637 : x
  2. Step 2: Convert to fraction form
    9,122/18,637 = 18,637/x
  3. Step 3: Cross multiply
    9,122x = 18,637 × 18,637
  4. Step 4: Simplify right side
    9,122x = 347,337,769
  5. Step 5: Solve for x
    x = 347,337,769/9,122
  6. Step 6: Final answer
    x = 38,076.93

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.