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Finding the Third Proportional to 18,519 and 29,385

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Solution

The third proportional to 18,519 and 29,385 is: 46,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519 : 29,385 = 29,385 : x
  2. Step 2: Convert to fraction form
    18,519/29,385 = 29,385/x
  3. Step 3: Cross multiply
    18,519x = 29,385 × 29,385
  4. Step 4: Simplify right side
    18,519x = 863,478,225
  5. Step 5: Solve for x
    x = 863,478,225/18,519
  6. Step 6: Final answer
    x = 46,626.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.