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Finding the Third Proportional to 19,110 and 29,517

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Solution

The third proportional to 19,110 and 29,517 is: 45,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110 : 29,517 = 29,517 : x
  2. Step 2: Convert to fraction form
    19,110/29,517 = 29,517/x
  3. Step 3: Cross multiply
    19,110x = 29,517 × 29,517
  4. Step 4: Simplify right side
    19,110x = 871,253,289
  5. Step 5: Solve for x
    x = 871,253,289/19,110
  6. Step 6: Final answer
    x = 45,591.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.