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Finding the Third Proportional to 34,000 and 51,000

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Solution

The third proportional to 34,000 and 51,000 is: 76,500

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,000 : 51,000 = 51,000 : x
  2. Step 2: Convert to fraction form
    34,000/51,000 = 51,000/x
  3. Step 3: Cross multiply
    34,000x = 51,000 × 51,000
  4. Step 4: Simplify right side
    34,000x = 2,601,000,000
  5. Step 5: Solve for x
    x = 2,601,000,000/34,000
  6. Step 6: Final answer
    x = 76,500

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.