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Finding the Third Proportional to 9,517.50 and 20,668.50

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Solution

The third proportional to 9,517.50 and 20,668.50 is: 44,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.50 : 20,668.50 = 20,668.50 : x
  2. Step 2: Convert to fraction form
    9,517.50/20,668.50 = 20,668.50/x
  3. Step 3: Cross multiply
    9,517.50x = 20,668.50 × 20,668.50
  4. Step 4: Simplify right side
    9,517.50x = 427,186,892.25
  5. Step 5: Solve for x
    x = 427,186,892.25/9,517.50
  6. Step 6: Final answer
    x = 44,884.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.