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Finding the Third Proportional to 13,603 and 28,692

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Solution

The third proportional to 13,603 and 28,692 is: 60,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603 : 28,692 = 28,692 : x
  2. Step 2: Convert to fraction form
    13,603/28,692 = 28,692/x
  3. Step 3: Cross multiply
    13,603x = 28,692 × 28,692
  4. Step 4: Simplify right side
    13,603x = 823,230,864
  5. Step 5: Solve for x
    x = 823,230,864/13,603
  6. Step 6: Final answer
    x = 60,518.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.