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Finding the Third Proportional to 18,683 and 39,097

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Solution

The third proportional to 18,683 and 39,097 is: 81,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683 : 39,097 = 39,097 : x
  2. Step 2: Convert to fraction form
    18,683/39,097 = 39,097/x
  3. Step 3: Cross multiply
    18,683x = 39,097 × 39,097
  4. Step 4: Simplify right side
    18,683x = 1,528,575,409
  5. Step 5: Solve for x
    x = 1,528,575,409/18,683
  6. Step 6: Final answer
    x = 81,816.38

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.