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Finding the Third Proportional to 18,076 and 38,456

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Solution

The third proportional to 18,076 and 38,456 is: 81,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076 : 38,456 = 38,456 : x
  2. Step 2: Convert to fraction form
    18,076/38,456 = 38,456/x
  3. Step 3: Cross multiply
    18,076x = 38,456 × 38,456
  4. Step 4: Simplify right side
    18,076x = 1,478,863,936
  5. Step 5: Solve for x
    x = 1,478,863,936/18,076
  6. Step 6: Final answer
    x = 81,813.67

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.