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Finding the Third Proportional to 11,328 and 15,752

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Solution

The third proportional to 11,328 and 15,752 is: 21,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328 : 15,752 = 15,752 : x
  2. Step 2: Convert to fraction form
    11,328/15,752 = 15,752/x
  3. Step 3: Cross multiply
    11,328x = 15,752 × 15,752
  4. Step 4: Simplify right side
    11,328x = 248,125,504
  5. Step 5: Solve for x
    x = 248,125,504/11,328
  6. Step 6: Final answer
    x = 21,903.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.