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Finding the Third Proportional to 11,719 and 18,683

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Solution

The third proportional to 11,719 and 18,683 is: 29,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719 : 18,683 = 18,683 : x
  2. Step 2: Convert to fraction form
    11,719/18,683 = 18,683/x
  3. Step 3: Cross multiply
    11,719x = 18,683 × 18,683
  4. Step 4: Simplify right side
    11,719x = 349,054,489
  5. Step 5: Solve for x
    x = 349,054,489/11,719
  6. Step 6: Final answer
    x = 29,785.35

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.