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Finding the Third Proportional to 5,505 and 11,359.50

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Solution

The third proportional to 5,505 and 11,359.50 is: 23,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505 : 11,359.50 = 11,359.50 : x
  2. Step 2: Convert to fraction form
    5,505/11,359.50 = 11,359.50/x
  3. Step 3: Cross multiply
    5,505x = 11,359.50 × 11,359.50
  4. Step 4: Simplify right side
    5,505x = 129,038,240.25
  5. Step 5: Solve for x
    x = 129,038,240.25/5,505
  6. Step 6: Final answer
    x = 23,440.19

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.