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Finding the Third Proportional to 11,967.75 and 26,206.88

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Solution

The third proportional to 11,967.75 and 26,206.88 is: 57,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.75 : 26,206.88 = 26,206.88 : x
  2. Step 2: Convert to fraction form
    11,967.75/26,206.88 = 26,206.88/x
  3. Step 3: Cross multiply
    11,967.75x = 26,206.88 × 26,206.88
  4. Step 4: Simplify right side
    11,967.75x = 686,800,297.27
  5. Step 5: Solve for x
    x = 686,800,297.27/11,967.75
  6. Step 6: Final answer
    x = 57,387.59

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.