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Finding the Third Proportional to 11,214 and 17,122.50

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Solution

The third proportional to 11,214 and 17,122.50 is: 26,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214 : 17,122.50 = 17,122.50 : x
  2. Step 2: Convert to fraction form
    11,214/17,122.50 = 17,122.50/x
  3. Step 3: Cross multiply
    11,214x = 17,122.50 × 17,122.50
  4. Step 4: Simplify right side
    11,214x = 293,180,006.25
  5. Step 5: Solve for x
    x = 293,180,006.25/11,214
  6. Step 6: Final answer
    x = 26,144.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.