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Finding the Third Proportional to 7,969.38 and 17,511.50

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Solution

The third proportional to 7,969.38 and 17,511.50 is: 38,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.38 : 17,511.50 = 17,511.50 : x
  2. Step 2: Convert to fraction form
    7,969.38/17,511.50 = 17,511.50/x
  3. Step 3: Cross multiply
    7,969.38x = 17,511.50 × 17,511.50
  4. Step 4: Simplify right side
    7,969.38x = 306,652,632.25
  5. Step 5: Solve for x
    x = 306,652,632.25/7,969.38
  6. Step 6: Final answer
    x = 38,478.88

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.