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Finding the Third Proportional to 5,511 and 13,345.50

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Solution

The third proportional to 5,511 and 13,345.50 is: 32,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511 : 13,345.50 = 13,345.50 : x
  2. Step 2: Convert to fraction form
    5,511/13,345.50 = 13,345.50/x
  3. Step 3: Cross multiply
    5,511x = 13,345.50 × 13,345.50
  4. Step 4: Simplify right side
    5,511x = 178,102,370.25
  5. Step 5: Solve for x
    x = 178,102,370.25/5,511
  6. Step 6: Final answer
    x = 32,317.61

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.