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Finding the Third Proportional to 17,907 and 38,631

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Solution

The third proportional to 17,907 and 38,631 is: 83,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907 : 38,631 = 38,631 : x
  2. Step 2: Convert to fraction form
    17,907/38,631 = 38,631/x
  3. Step 3: Cross multiply
    17,907x = 38,631 × 38,631
  4. Step 4: Simplify right side
    17,907x = 1,492,354,161
  5. Step 5: Solve for x
    x = 1,492,354,161/17,907
  6. Step 6: Final answer
    x = 83,339.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.