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Finding the Third Proportional to 8,289 and 11,116.13

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Solution

The third proportional to 8,289 and 11,116.13 is: 14,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289 : 11,116.13 = 11,116.13 : x
  2. Step 2: Convert to fraction form
    8,289/11,116.13 = 11,116.13/x
  3. Step 3: Cross multiply
    8,289x = 11,116.13 × 11,116.13
  4. Step 4: Simplify right side
    8,289x = 123,568,235.02
  5. Step 5: Solve for x
    x = 123,568,235.02/8,289
  6. Step 6: Final answer
    x = 14,907.50

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.