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Finding the Third Proportional to 12,188.53 and 18,203.06

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Solution

The third proportional to 12,188.53 and 18,203.06 is: 27,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.53 : 18,203.06 = 18,203.06 : x
  2. Step 2: Convert to fraction form
    12,188.53/18,203.06 = 18,203.06/x
  3. Step 3: Cross multiply
    12,188.53x = 18,203.06 × 18,203.06
  4. Step 4: Simplify right side
    12,188.53x = 331,351,484.38
  5. Step 5: Solve for x
    x = 331,351,484.38/12,188.53
  6. Step 6: Final answer
    x = 27,185.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.