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Finding the Third Proportional to 11,232 and 27,972

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Solution

The third proportional to 11,232 and 27,972 is: 69,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232 : 27,972 = 27,972 : x
  2. Step 2: Convert to fraction form
    11,232/27,972 = 27,972/x
  3. Step 3: Cross multiply
    11,232x = 27,972 × 27,972
  4. Step 4: Simplify right side
    11,232x = 782,432,784
  5. Step 5: Solve for x
    x = 782,432,784/11,232
  6. Step 6: Final answer
    x = 69,661.04

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.