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Finding the Third Proportional to 4,240.50 and 8,600.50

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Solution

The third proportional to 4,240.50 and 8,600.50 is: 17,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.50 : 8,600.50 = 8,600.50 : x
  2. Step 2: Convert to fraction form
    4,240.50/8,600.50 = 8,600.50/x
  3. Step 3: Cross multiply
    4,240.50x = 8,600.50 × 8,600.50
  4. Step 4: Simplify right side
    4,240.50x = 73,968,600.25
  5. Step 5: Solve for x
    x = 73,968,600.25/4,240.50
  6. Step 6: Final answer
    x = 17,443.37

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.