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Finding the Third Proportional to 5,392.50 and 11,129

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Solution

The third proportional to 5,392.50 and 11,129 is: 22,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.50 : 11,129 = 11,129 : x
  2. Step 2: Convert to fraction form
    5,392.50/11,129 = 11,129/x
  3. Step 3: Cross multiply
    5,392.50x = 11,129 × 11,129
  4. Step 4: Simplify right side
    5,392.50x = 123,854,641
  5. Step 5: Solve for x
    x = 123,854,641/5,392.50
  6. Step 6: Final answer
    x = 22,967.94

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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.