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Finding the Third Proportional to 11,344 and 15,210

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Solution

The third proportional to 11,344 and 15,210 is: 20,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344 : 15,210 = 15,210 : x
  2. Step 2: Convert to fraction form
    11,344/15,210 = 15,210/x
  3. Step 3: Cross multiply
    11,344x = 15,210 × 15,210
  4. Step 4: Simplify right side
    11,344x = 231,344,100
  5. Step 5: Solve for x
    x = 231,344,100/11,344
  6. Step 6: Final answer
    x = 20,393.52

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.