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Finding the Third Proportional to 18,773 and 40,456

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Solution

The third proportional to 18,773 and 40,456 is: 87,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773 : 40,456 = 40,456 : x
  2. Step 2: Convert to fraction form
    18,773/40,456 = 40,456/x
  3. Step 3: Cross multiply
    18,773x = 40,456 × 40,456
  4. Step 4: Simplify right side
    18,773x = 1,636,687,936
  5. Step 5: Solve for x
    x = 1,636,687,936/18,773
  6. Step 6: Final answer
    x = 87,183.08

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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.