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Finding the Third Proportional to 10,720 and 23,229

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Solution

The third proportional to 10,720 and 23,229 is: 50,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720 : 23,229 = 23,229 : x
  2. Step 2: Convert to fraction form
    10,720/23,229 = 23,229/x
  3. Step 3: Cross multiply
    10,720x = 23,229 × 23,229
  4. Step 4: Simplify right side
    10,720x = 539,586,441
  5. Step 5: Solve for x
    x = 539,586,441/10,720
  6. Step 6: Final answer
    x = 50,334.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.