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Finding the Third Proportional to 11,124.50 and 17,219

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Solution

The third proportional to 11,124.50 and 17,219 is: 26,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.50 : 17,219 = 17,219 : x
  2. Step 2: Convert to fraction form
    11,124.50/17,219 = 17,219/x
  3. Step 3: Cross multiply
    11,124.50x = 17,219 × 17,219
  4. Step 4: Simplify right side
    11,124.50x = 296,493,961
  5. Step 5: Solve for x
    x = 296,493,961/11,124.50
  6. Step 6: Final answer
    x = 26,652.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.