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Finding the Third Proportional to 11,373.19 and 18,028.69

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Solution

The third proportional to 11,373.19 and 18,028.69 is: 28,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.19 : 18,028.69 = 18,028.69 : x
  2. Step 2: Convert to fraction form
    11,373.19/18,028.69 = 18,028.69/x
  3. Step 3: Cross multiply
    11,373.19x = 18,028.69 × 18,028.69
  4. Step 4: Simplify right side
    11,373.19x = 325,033,572.97
  5. Step 5: Solve for x
    x = 325,033,572.97/11,373.19
  6. Step 6: Final answer
    x = 28,578.93

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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.