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Finding the Third Proportional to 11,285 and 17,465

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Solution

The third proportional to 11,285 and 17,465 is: 27,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285 : 17,465 = 17,465 : x
  2. Step 2: Convert to fraction form
    11,285/17,465 = 17,465/x
  3. Step 3: Cross multiply
    11,285x = 17,465 × 17,465
  4. Step 4: Simplify right side
    11,285x = 305,026,225
  5. Step 5: Solve for x
    x = 305,026,225/11,285
  6. Step 6: Final answer
    x = 27,029.35

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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.