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Finding the Third Proportional to 19,120 and 29,228

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Solution

The third proportional to 19,120 and 29,228 is: 44,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120 : 29,228 = 29,228 : x
  2. Step 2: Convert to fraction form
    19,120/29,228 = 29,228/x
  3. Step 3: Cross multiply
    19,120x = 29,228 × 29,228
  4. Step 4: Simplify right side
    19,120x = 854,275,984
  5. Step 5: Solve for x
    x = 854,275,984/19,120
  6. Step 6: Final answer
    x = 44,679.71

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.