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Finding the Third Proportional to 18,988 and 29,529

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Solution

The third proportional to 18,988 and 29,529 is: 45,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988 : 29,529 = 29,529 : x
  2. Step 2: Convert to fraction form
    18,988/29,529 = 29,529/x
  3. Step 3: Cross multiply
    18,988x = 29,529 × 29,529
  4. Step 4: Simplify right side
    18,988x = 871,961,841
  5. Step 5: Solve for x
    x = 871,961,841/18,988
  6. Step 6: Final answer
    x = 45,921.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.