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Finding the Third Proportional to 8,476.88 and 11,211.75

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Solution

The third proportional to 8,476.88 and 11,211.75 is: 14,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.88 : 11,211.75 = 11,211.75 : x
  2. Step 2: Convert to fraction form
    8,476.88/11,211.75 = 11,211.75/x
  3. Step 3: Cross multiply
    8,476.88x = 11,211.75 × 11,211.75
  4. Step 4: Simplify right side
    8,476.88x = 125,703,338.06
  5. Step 5: Solve for x
    x = 125,703,338.06/8,476.88
  6. Step 6: Final answer
    x = 14,828.97

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.