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Finding the Third Proportional to 18,579 and 29,124

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Solution

The third proportional to 18,579 and 29,124 is: 45,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579 : 29,124 = 29,124 : x
  2. Step 2: Convert to fraction form
    18,579/29,124 = 29,124/x
  3. Step 3: Cross multiply
    18,579x = 29,124 × 29,124
  4. Step 4: Simplify right side
    18,579x = 848,207,376
  5. Step 5: Solve for x
    x = 848,207,376/18,579
  6. Step 6: Final answer
    x = 45,654.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.