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Finding the Third Proportional to 8,360.50 and 11,190.75

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Solution

The third proportional to 8,360.50 and 11,190.75 is: 14,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.50 : 11,190.75 = 11,190.75 : x
  2. Step 2: Convert to fraction form
    8,360.50/11,190.75 = 11,190.75/x
  3. Step 3: Cross multiply
    8,360.50x = 11,190.75 × 11,190.75
  4. Step 4: Simplify right side
    8,360.50x = 125,232,885.56
  5. Step 5: Solve for x
    x = 125,232,885.56/8,360.50
  6. Step 6: Final answer
    x = 14,979.11

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.