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Finding the Third Proportional to 11,072 and 15,232

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Solution

The third proportional to 11,072 and 15,232 is: 20,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072 : 15,232 = 15,232 : x
  2. Step 2: Convert to fraction form
    11,072/15,232 = 15,232/x
  3. Step 3: Cross multiply
    11,072x = 15,232 × 15,232
  4. Step 4: Simplify right side
    11,072x = 232,013,824
  5. Step 5: Solve for x
    x = 232,013,824/11,072
  6. Step 6: Final answer
    x = 20,955.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.