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Finding the Third Proportional to 8,214 and 17,911.50

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Solution

The third proportional to 8,214 and 17,911.50 is: 39,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214 : 17,911.50 = 17,911.50 : x
  2. Step 2: Convert to fraction form
    8,214/17,911.50 = 17,911.50/x
  3. Step 3: Cross multiply
    8,214x = 17,911.50 × 17,911.50
  4. Step 4: Simplify right side
    8,214x = 320,821,832.25
  5. Step 5: Solve for x
    x = 320,821,832.25/8,214
  6. Step 6: Final answer
    x = 39,057.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.