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Finding the Third Proportional to 11,640 and 15,052

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Solution

The third proportional to 11,640 and 15,052 is: 19,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640 : 15,052 = 15,052 : x
  2. Step 2: Convert to fraction form
    11,640/15,052 = 15,052/x
  3. Step 3: Cross multiply
    11,640x = 15,052 × 15,052
  4. Step 4: Simplify right side
    11,640x = 226,562,704
  5. Step 5: Solve for x
    x = 226,562,704/11,640
  6. Step 6: Final answer
    x = 19,464.15

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.