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Finding the Third Proportional to 10,863 and 18,051.75

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Solution

The third proportional to 10,863 and 18,051.75 is: 29,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863 : 18,051.75 = 18,051.75 : x
  2. Step 2: Convert to fraction form
    10,863/18,051.75 = 18,051.75/x
  3. Step 3: Cross multiply
    10,863x = 18,051.75 × 18,051.75
  4. Step 4: Simplify right side
    10,863x = 325,865,678.06
  5. Step 5: Solve for x
    x = 325,865,678.06/10,863
  6. Step 6: Final answer
    x = 29,997.76

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.