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Finding the Third Proportional to 6,720 and 10,232

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Solution

The third proportional to 6,720 and 10,232 is: 15,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720 : 10,232 = 10,232 : x
  2. Step 2: Convert to fraction form
    6,720/10,232 = 10,232/x
  3. Step 3: Cross multiply
    6,720x = 10,232 × 10,232
  4. Step 4: Simplify right side
    6,720x = 104,693,824
  5. Step 5: Solve for x
    x = 104,693,824/6,720
  6. Step 6: Final answer
    x = 15,579.44

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.