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Finding the Third Proportional to 8,915.06 and 11,724.75

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Solution

The third proportional to 8,915.06 and 11,724.75 is: 15,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.06 : 11,724.75 = 11,724.75 : x
  2. Step 2: Convert to fraction form
    8,915.06/11,724.75 = 11,724.75/x
  3. Step 3: Cross multiply
    8,915.06x = 11,724.75 × 11,724.75
  4. Step 4: Simplify right side
    8,915.06x = 137,469,762.56
  5. Step 5: Solve for x
    x = 137,469,762.56/8,915.06
  6. Step 6: Final answer
    x = 15,419.94

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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.