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Finding the Third Proportional to 10,264 and 11,272

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Solution

The third proportional to 10,264 and 11,272 is: 12,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264 : 11,272 = 11,272 : x
  2. Step 2: Convert to fraction form
    10,264/11,272 = 11,272/x
  3. Step 3: Cross multiply
    10,264x = 11,272 × 11,272
  4. Step 4: Simplify right side
    10,264x = 127,057,984
  5. Step 5: Solve for x
    x = 127,057,984/10,264
  6. Step 6: Final answer
    x = 12,378.99

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.