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Finding the Third Proportional to 18,119.06 and 27,719.06

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Solution

The third proportional to 18,119.06 and 27,719.06 is: 42,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.06 : 27,719.06 = 27,719.06 : x
  2. Step 2: Convert to fraction form
    18,119.06/27,719.06 = 27,719.06/x
  3. Step 3: Cross multiply
    18,119.06x = 27,719.06 × 27,719.06
  4. Step 4: Simplify right side
    18,119.06x = 768,346,425.88
  5. Step 5: Solve for x
    x = 768,346,425.88/18,119.06
  6. Step 6: Final answer
    x = 42,405.42

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.